4 MAN MECHANICS

1

4 MAN MECHANICS

2

GENERAL PRINCIPLES• In 4 man crew someone will ALWAYS go out

on fly balls and once out stays out;• Check swings appeals go to U1 on right

handed batter and U3 on left handed batter;• U2 has interference call at 2ND on all double

plays;• PLATE should rarely stay planted at the

plate;• Cover partners if a rotation is missed;• Communicate;• Have an umpire ahead of the play versus

following the play.

3

F3

F4

F7

F8

F9

F5

F6

F1

F2

U1

P

BR

R1

R3

R2

DefenseF1 – PitcherF2 – CatcherF3 – 1st BasemanF4 – 2nd BasemanF5 – 3rd BasemanF6 –ShortstopF7 – Left FielderF8 – Center FielderF9 – Right Fielder

OffenseR1 – Lead RunnerR2 – Second RunnerR3 – Last RunnerBR – Batter-Runner

UmpiresP(late) – Home plate (Umpire-in-Chief)U1 – 1st Base UmpireU2 – 2nd Base UmpireU3 – 3rd Base Umpire

U3

U2

ABBREVIATIONS

4P

U1U3

U2

POSITIONS NO RUNNERSU1 IN A; U2 IN E; U3 IN D

Position E:• To the left center or right

center side of the outfield about 10 to 15 yards from the back edge of the dirt.

• DO NOT get too deep.

Fair/Foul Responsibilities

The same in all situations in 4 man mechanics:

• Plate – Up to the front edge of the 1st and 3rd base bags;

• U1 and U3 – Front edge of their respective bases to the foul poles.

5P

U2

U1U3

U2’s Outfield

U3’s Outfield U1’s Outfield

FLY BALL/LINE DRIVE COVERAGE

Plate:• F1 and F2.

U1:• F9 going back, coming in, and

all the way to the line;• F3 and F4.

U3:• F7 going back, coming

in, and all the way to the line;

• F5 and F6.

U2:• F8 in all instances;• F9 going to his right;• F7 going to his left.

6P

U1

U2

U3

FLY BALLU1 HAS THE CATCH/NO CATCH

Plate:• Trail the BR up the 1st

base line and fill in behind U1;

• If the BR goes on to 2nd, retreat to home for a possible play.

U1:• Tells his partners he is

going out by saying, “I’ve got the ball.”;

• Gets the best angle possible;

• Is stopped for the catch/no catch;

• Once he has gone out, he stays out, does not return the infield;

• Coverage reverts to a 3 man crew.

U2:• Move into the infield

to take all touches and plays at 2nd;

• Come in on the side of the base away from the throw of the fielder;

• Stay on the outfield side of the base if cannot make it inside.

U3:• Move down the line

ready to move into position to take the runner into 3rd.

INITIAL MOVEMENT

BALL FLIGHT

SECONDARY MOVEMENT

7P

U1

U2

U3


U3:• Move into infield ready to

take all touches and calls at 2nd;

• DO NOT retreat to 3rd.

U1:• Move into the infield and

pivot observing touch of 1st;

• Be prepared to take the runner back into 1st or into 2nd if U3 gets hung up at 3rd;

• If the runner goes to 2nd retreat toward home telling Plate, “I’ve got the plate”;

• DO NOT commit to home too soon.

INITIAL MOVEMENT

BALL FLIGHT

SECONDARY MOVEMENT

U2:• Move out on the ball

getting the best possible angle for the catch/no catch;

• Be virtually stopped when making the call;

• Give a visual signal of the catch/no catch;

• DO NOT return to the infield;

• Coverage reverts to 3 man mechanics.

Plate:• Move out on the batted

ball to filling in behind U3;

• Observe runner/s touch of 3rd;

• Be prepared to take the runner into 3rd.

8

U1

U2

U3

P








U2:• Move into the infield to take all

touches and plays at 2nd; • Come in on the side of the base

away from the throw of the fielder;• Stay on the outfield side of the base

if cannot make it inside.

INITIAL MOVEMENT

BALL FLIGHT

SECONDARY MOVEMENT

U1:• Move into the infield and pivot

observing the BR’s touch of 1st;

• Be prepared to take the runner back into 1st;

• If the runner goes to 3rd move to home telling Plate, “I’ve got the home.”

Plate:• Move out on the batted ball to

filling in behind U3;• Be prepared to take the runner

into 3rd.

9P

U2

U3 U1

BASE HIT

U3:• Move down the line ready to

move into position to take the runner into 3rd.

Plate:• Trail the BR up the 1st base line

in order to rule on a pulled foot or swipe tag;

• If the BR goes to 2nd, retreat to home for a possible play.

INITIAL MOVEMENT

BALL FLIGHT

SECONDARY MOVEMENT


observing the BR’s touch of 1st;• Be prepared to take the runner

back into 1st.


touches and plays at 2nd;• Come in on the side of the

base away from the throw of the fielder;


10P

U1

U2

U3

GROUND BALL

U2:

• Move into the infield to take all touches and plays at 2nd;

• Come in on the side of the base away from the throw of the fielder;


U1:• Move in to make the call at

1st;• Come set, observe the play,

make the call;• On an overthrow observe the

ball and determine if it goes out of play.

SECONDARY MOVEMENT

BALL FLIGHT

INITIAL MOVEMENT



• If the BR goes on to 2nd, retreat to home for a possible play.

U3:• Move down the line ready

to move into position to make all calls at 3rd.

11P

U1

U2

U3

R1

POSITIONS RUNNER ON 1ST U1 IN A; U2 IN F; U3 IN D

U2:Position F:• Basically Position C but at the edge

of the infield dirt on shortstop side;• With a runner on 2nd can be on the

second-base side.

12P

U3U1

U2

R1


FLY BALL COVERAGE

U3:• F8 going back, coming in,

and going to his right;• F7 in all instances;• F5 and F6 moving toward 3rd

base.

U1:• F8 going to his left;• F9 in all instances;• F3 and F4 moving toward 1st base.


U2:• F4 and F6 unless

moving toward the foul line on their side.

13P

U3U1

U2

R1


Plate:• Move out on the batted ball to filling in

behind U1;• Observe tags and touches at 1st;• Be prepared to take the runner back into

1st;• If BR goes to 2nd, move to cover home.

U1:• Tells his partners he is going out

by saying, “I’ve got the ball.”;• Gets the best angle possible;• Is stopped for the catch/no catch;• Gives a visual signal of the

catch/no catch; • Once out, stays out, does not

return to the infield;• Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


move into position to take all touches and calls at 3rd.

U2:• Move into position to take all

touches and calls at 2nd:• If Plate has to retreat to home,

move into position to take plays at 1st.

14P

U3U1

U2

R1







Plate:• Move out on the batted ball to filling in

behind U3;• Be prepared to take the runner into

3rd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U1:• Move into position to observe

tags and touches of 1st (can be in foul territory);

• Takes R1 back into 1st;• Be prepared to move to home

to cover for Plate telling him, “I’ve got home.”


touches and calls at 2nd;• Move into position to cover plays at

1st if U1 covers home.

15P

U3U1

U2

R1

BASE HIT


touches and calls at 2nd.


touches of 1st;• Be alert to take the runner back

into 1st.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U3:• Moves down the line ready to

take all touches and make all calls at 3rd.

Plate:• Move out with the batted ball;• Move into position to observe

touches and make calls at home.

16P

U3U1

U2

R1

GROUND BALLPOSSIBLE DOUBLE PLAY

U2:• Move into position to rule on any play at 2nd;• Watch for interference by on an illegal slide by R1.

U1:• Move in to make the call at 1st;• Come set, observe the play,

make the call;• On an overthrow observe the



move into position to take all touches and make all calls at 3rd.



• Be prepared to retreat to home for a possible play.

17P

U3U1

U2

R1

POSITIONS WITH A RUNNER ON 2ND U1 IN A; U2 IN F (2nd base side); U3 IN D

18P

U3U1

R1

U2


FLY BALL COVERAGES



base. U1:• F8 going to his left;• F9 in all instances;• F3 and F4 moving toward 1st base.

PLATE:• F1 and F2

U2:• F4 and F6 unless moving

toward the foul line on their side.

19P

U3U1

R1

U2



touches and calls at 2nd:• If Plate has to retreat to home,

move into position to take all plays at 1st.

U1:• Tells his partners he is




• Once out, stays out, does not return the infield;

• Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U3:• Moves down the line to

observe R1’s tag;• Be ready to move into

position to take a runner into 3rd.



• If the ball falls in, retreats to home for a possible play.

20P

U3U1

R1

U2


U2:• Move into position to take

all touches and calls at 2nd:

• If U1has to cover home, move into position to take all plays at 1st.

U1:• Move into position to

observe tags and touches of 1st;


• Move to cover home when Plate fills in behind U3.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT







Plate:• Move out on the batted

ball to filling in behind U3;

• Be prepared to take the runner into 3rd.

21P

U3U1

R1

U2

BASE HIT


to move into position to take all touches and calls at 3rd.

U2:• Move into position and be

prepared to take all touches and calls at 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

Plate:• Move into position to

observe the touches make calls at home.


observe tags and touches of 1st;

• Be prepared to take the runner back into 1st.

22P

U3 U1

R1

U2

GROUND BALL




observe the touches at home and make calls at home.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U2:• Move into position and be

prepared to take all touches and calls at 2nd.

U1:• Move in to make the call at 1st;• On an overthrow observe the ball

and determine if it goes out of play.

23P

U3U1

R1

U2

POSITIONS WITH A RUNNER AT 2ND

U1 IN A; U2 IN G; U3 IN D

U2:Position G:• On the edge of the dirt behind 2nd base;• Can be on shortstop or second base

side.

24P

U2

U1U3

U2’s Outfield


R1

FLY BALL COVERAGES



and all the way to the line;• F3 and F4.


and all the way to the line;• F5 and F6.


25P

U3U1

R1

U2



touches and make calls at 2nd;• Stay on the outside until R1

has committed to 3rd then move inside;

• Be prepared to take a runner at 1st.

U1:• Tells his partners he is going out by

saying, “I’ve got the ball.”;• Gets the best angle possible;• Is stopped for the catch/no catch; • Give a visual signal of the catch/no

catch;• Once out, stays out, does not return

the infield;• Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


move into position to observe R1’s tag at 2nd;

• Take all touches and calls at 3rd.


filling in behind U1;• Observe the BR’s touch of

1st;• Be prepared to retreat to

home for a possible play.

26P

U3U1

R1

U2


U2:• Move out on the ball getting the

best possible angle for the catch/no catch;



• DO NOT return to the infield;• Coverage reverts to 3 man

mechanics.


observing the BR’s touch of 1st;• Be prepared to take the runner

back into 1st;• If the runner goes to 2nd move to

cover home telling Plate, “I’ve got the plate.”

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U3:• Move into Position C ready to

take tags, touches, and calls at 2nd;

• DO NOT retreat to 3rd, Plate has the runner advancing.

Plate:• Move out on the batted ball

to filling in behind U3;• Be prepared to take touches

of and the runner into 3rd.

27P

U3 U1

R1

U2


U3:• Move out on the ball getting

the best possible angle for the catch/no catch;



mechanics.

U2:• Move into the infield to take

the BR if he comes into 2nd;• Come in on the side of the

base away from the throw of the outfielder;


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


observing the BR’s touch of 1st;


• If the runner goes to 2nd move toward home telling Plate, “I’ve got the home.”


filling in behind U3;• Be prepared to take the runner

into 3rd.

28P

U3 U1

R1

U2

BASE HIT


observe touches of 1st;• Be prepared to take the

runner back into 1st.


touches and plays at 2nd;• Come in on the side of the base

away from the throw of the outfielder;


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U3:• Moves down the line ready to


Plate:• Move into position to make

call on plays at home.

29P

U3 U1

R1

U2

GROUND BALL

U2:• Start moving into the infield to take a runner

coming into 2nd;• Be alert for a throw behind R1;• Responsible for the touches and all plays at 2nd.

Plate:• Trail the BR up the 1st base

line in order to rule on a pulled foot or swipe tag;

• If the BR goes on to 2nd, retreats to home for a possible play.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


move into position to take all touches and calls at 3rd. U1:

• Move in to make the call at 1st;• On an overthrow observe the ball


30P

U3U1

U2

R1

POSITIONS WITH A RUNNER ON 3RD U1 IN A; U2 IN E; U3 IN D

31P

U2

U1U3

U2’s Outfield


R1

FLY BALL COVERAGES

U2:• F8 in all instances;• F9 going to his right;• F7 going to his left

U1:• F9 going back, coming in, and all

the way to the line;• F3 and F4.


all the way to the line;• F5 and F6.


32P

U3 U1

U2

R1


U3:• Move down the line to


position to a runner into 3rd.

U1:• Tells his partners he is going

out by saying, “I’ve got the ball.”;



• Once he has gone out, he stays out, does not return the infield;

• Reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U2:• Move into the infield to

take all touches and plays at 2nd;

• Come in on the side of the base away from the throw of the outfielder;



observe touches and make calls at home.

33P

U3 U1

U2

R1






pivot observing the BR’s touch of 1st;

• Be prepared to take the runner back into 1st or into 2nd

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT









34P

U3 U1

U2

R1







mechanics.

U1:• Move into position to tags

and touches of 1st;• Be prepared to take the


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



U2:• Move into the infield to

take all touches and plays at 2nd;

• Come in on the side of the base away from the throw of the outfielder;


35P

U3 U1

U2

R1

BASE HIT




all touches and plays at 2nd;• Come in on the side of the

base away from the throw of the outfielder;


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT





36P

U3 U1

U2

R1

GROUND BALL





INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U1:• Move in to make the call at 1st;• On an overthrow observe the



all touches and plays at 2nd;• Come in on the side of the

base away from the throw;• Stay on the outfield side of

the base if cannot make it inside.

37P

U2

U1

R1

U3

R2

POSITIONS WITH RUNNERS ON 1ST AND 2ND U1 IN A; U2 F; U3 IN D

38P

U3U1

R1

U2


R2

FLY BALL/LINE DRIVE COVERAGES



base.U1:• F8 going to his left;• F9 in all instances;• F3 and F4 moving toward 1st

base.




39P

U2

U1

R1

U3

R2






by saying, “I’ve got the ball.”;• Gets the best angle possible;• Is virtually stopped for the catch/no

catch;• If fair/foul call completely stopped;• Once he has gone out, he stays

out, does not return the infield;• Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



• If the BR goes on to 2nd, retreats to home for a possible play.


touches and calls at 2nd;• If Plate has to retreat to home,

move into position to take all plays at 1st.

40P

U2

U1

R1

U3

R2










runner back into 1st;• If the runner goes to 2nd

move toward home telling Plate, “I’ve got the home.”

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


filling in behind U3;• Observe runner/s touch of

3rd;• Be prepared to take the

runner into 3rd.

U2:• Move into position to take all touches and calls

at 2nd;• If U1 has to cover home, take all plays at 1st.

41P

U2

U1

R1

U3

R2

BASE HIT




touches and calls at 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


1st;• On an overthrow observe

the ball and determine if it goes out of play.

U3:• Moves down the line

ready to move into position to take all touches and calls at 3rd.

42P

U2

U1

R1

U3

R2




U2:• Move into position to take all touches and

calls at 2nd;• Watch for interference by R1 due to an illegal

slide.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT





43P

R2

R1

U3U1

U2

POSITIONS WITH RUNNERS ON 1ST AND 3RD U1 IN A; U2 F; U3 IN D

44P

U3U1

R1

U2


R2



to his right;• F7 in all instances;• F5 and F6 moving toward 3rd

base.

U1:• F8 going to his left;• F9 in all instances;• F3 and F4 moving toward 1st

base.


U2:• F4 and F6 unless

moving toward the foul line on their side.

45P

R2

R1

U3U1

U2





U1:1. Tells his partners he is


2. Gets the best angle possible;

3. Is stopped for the catch/no catch;

4. Gives a visual catch/no catch signal;

5. Once out, stays out, does not return the infield;

6. Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U2:• Move into position and

be prepared to take all touches and calls at 2nd and 1st.



46P

R2

R1

U3U1

U2










runner back into 1st;• Move into the infield to

take runner into 2nd if U2 has to cover 3rd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



U2:• Move into position and

be prepared to take all touches and calls at 2nd;

• Move to cover 3rd if necessary.

47P

R2

R1

U3U1

U2

BASE HIT



U2:• Move into a position and be

prepared to take all touches and calls at 2nd:

• If Plate has to retreat to home, take all plays at 1st.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U3:• Move down the line

ready to move into position to take all touches and calls at 3rd.

U1:• Move in to make the call at 1st;• On an overthrow observe the


48P

R2

R1

U3U1

U2




U2:• Move into a position to rule on

plays at 2nd;• Be sure you are not in the path

of a throw;• Watch for interference by R1

due to an illegal slide.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



U1:• Move in to make the call

at 1st;• On an overthrow observe

the ball and determine if it goes out of play.

49P

R2

R1

U3U1

U2

POSITIONS WITH RUNNERS AT 2ND AND 3RD U1 IN A; U2 F; U3 IN D

50P

U3 U1

R1

U2


R2




base.

U1:• F8 to his left;• F9 in all instances;• F3 and F4 moving toward 1st

base.




51P

R2

R1

U3 U1

U2






by saying, “I’ve got the ball.”;• Gets the best angle possible;• Is stopped for the catch/no catch;• Gives a visual catch/no catch

signal;• Once out, stays out, does not

return the infield;• Coverage reverts to a 3 man crew.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT




observe all tags, touches, and make all calls at 2nd:

• Move into a position halfway between 1st and 2nd in order to call plays at 1st.

52P

R2

R1

U3 U1

U2











INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


touches and calls at 2nd;• Move to 3rd with R2, if he goes.


observe tag at 3rd and touches at home;

• Make all calls at home.

53P

R2

R1

U3 U1

U2

BASE HIT




observe all touches and make all calls at 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT





54P

R2

R1

U3 U1

U2

GROUND BALL



U2:• Move into position to rule

on any play at 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


1st;• On an overthrow observe

the ball and determine if it goes out of play.Plate:

• Move into position to observe the touches at home and make calls at home.

55P

R2

R1

U3U1

U2

P

R2

R1

U3U1

U2

POSITIONS WITH RUNNERS AT 2ND AND 3RD

U1 IN A; U2 IN G; U3 IN D

56P

U2

U1U3

U2’s Outfield


R1

R2


U3:• F7 going back, coming in and

all the way to the line;• F5 and F6 moving toward 3rd

base.

U1:• F9 going back, coming in and all the

way to the line;• F3 and F4 moving toward 1st base.



57P

R2

R1

U3U1

U2

P

R2

R1

U3 U1

U2






saying, “I’ve got the ball.”;• Gets the best angle possible;• Is stopped for the catch/no catch;• Gives a visual catch/no catch signal;• Once out, stays out, does not return


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



U2:• Move into the infield to take all touches

and plays at 2nd;• Come in on the side of the base away

from the throw;• Stay on the outfield side of the base if

cannot make it inside.

58P

R2

R1

U3U1

U2

P

R2

R1

U3 U1

U2







• Be prepared to take the runner back into 1st or into 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT









59P

R2

R1

U3U1

U2

P

R2

R1

U3 U1

U2










• Be prepared to take the runner back into 1st or into 2nd.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


observe R1’s tag at 3rd;• Observe the touches of

home and make calls at home.

U2:• Moves into the infield to observe the tags of

R2;• Take R2 into 3rd;• Observe R2’s touch of 3rd and call any plays

at 3rd.

60P

R2

R1

U3U1

U2

P

R2

R1

U3 U1

U2

BASE HIT



U2:• Move into the infield to take all touches and

plays at 2nd;• Come in on the side of the base away from

the throw;• Stay on the outfield side of the base if cannot

make it inside.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT






61P

R2

R1

U3U1

U2

P

R2

R1

U3 U1

U2

GROUND BALL




1st;• On an overthrow observe the


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT



U2:• Move into the infield to take all touches and plays at

2nd;• Come in on the side of the base away from the

throw;• Stay on the outfield side of the base if cannot make it

inside.

62P

R2

R1

U3U1

U2

R3

POSITIONS WITH THE BASES LOADEDU1 IN A; U2 IN F; U3 IN D

63P

U3U1

R1

U2


R2

R3

FLY BALL COVERAGES



base.




U1:• F8 going to his left;• F9 in all instances;• F3 and F4 moving toward 1st

base,

64P

R2

R1

U3U1

U2

R3






saying, “I’ve got the ball.”;• Gets the best angle possible;• Is stopped for the catch/no catch;• Gives a visual catch/no catch signal;• Once out, stays out, does not return


INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


take all touches and calls at 2nd:

• Move to a position halfway between 1st and 2nd to call plays at 1st.


observe touches and make calls at home;

• Observe R3’s tag at 1st.

65P

R2

R1

U3 U1

U2

R3










• Be prepared to make calls at 1st;

• Be prepared to take R3 into 2nd observing touches and make the calls on plays.

INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT


take all tags, touches, and calls at 2nd;

• Move with R2 to 3rd and take all touches of 3rd and make all calls at 3rd.


observe tag of R1 at 3rd;

• Observe touches at home and make calls at home.

66P

R2

R1

U3U1

U2

R3

BASE HIT





INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U2:• Move into position to take

all tags, touches, and calls at 2nd.




67P

R2

R1

U3U1

U2

R3






INITIAL MOVEMENT

SECONDARY MOVEMENT

BALL FLIGHT

U1:• Move in to position to make the call at

1st;• On an overthrow observe the ball and

determine if it goes out of play.

U2:• Move into position to observe the

play at 2nd;• Rule safe/out on any play at 2nd;• Watch for interference by R1 due to

an illegal slide.

Documents

4 MAN MECHANICS