1. Closed Bases 3-Man Mechanics
Applicable to 12yrs and under (Majors and under)

2. U1 on the right line about 6-8 ft behind 1st baseman - A
Starting Positions
U1 on the right line about 6-8 ft behind 1st baseman - A
U2 on the left line about 6-8 ft behind 3rd baseman -D D A U2 U1 PU

3. If time allows, swing in front of second base
Starting Positions
Runner on 1st
U1 moves forward to a position where they can see the pitcher between the runner and 1st base
U2 moves to the outside – taking plays coming at him – first base extended
If time allows, swing in front of second base U2 R1 U1 PU

4. U1 has the right fielder toward the right field line
Outfield Coverage
U2 Inside
U1 has the right fielder toward the right field line
U2 has the big “V”
PU has leftfielder toward left field line.
PU Coverage
U1 Coverage U2 U1 PU

5. Plate has responsibility up to the front of the bag on each line
Fair/Foul Coverage
Plate has responsibility up to the front of the bag on each line
U1 has from the front of the bag down the right field line
U2 has from the front of the bag down the left field line U2 U1 PU

6. This is the area around the pitchers mound.
Working Area
This is the area around the pitchers mound.
It allows the umpire(s) to float between bases to get the better angle over distance
Most umpires would not be able to outrun a baseball teenager
You can take a couple steps and be in proper positioning to make the call
Working Area

7. Reverse rotation…any time the plate umpire stays “home”
Note:
Any time there is a runner at first base; U1 will be in foul territory approx. 6ft behind first base.
Reverse rotation…any time the plate umpire stays “home”
Runners at 1st and 2nd
Runners at 2nd only no need to mention this as U1 is already close to 2nd
Runners at 2nd and 3rd no need to mention this as U1 is already close to 2nd
Bases loaded

8. Coverage with No One On: Fly to right field &U1 goes out
Revert back to two man with U1 going out
U1 goes out with the fly ball. U1 should seek the best possible angle on the fly. U1 has Fair/foul & Catch/No Catch. Once out, U1 should not return during play.
U2 comes into 2nd base cut out. U2 has touch & any play at 2nd on BR; takes runner into third base.
PU follows BR toward 1st, but no further than 50%. PU has touch & any throw back to 1st. If BR continues, when BR reaches 2nd PU returns to home at 3rd base extended. PU has any plays on BR at plate U1 U2 BR PU

9. Coverage with No One On: Fly to center field &U2 goes out
Revert back to two man with U2 going out
U1 watches touch at first , pivot and take BR into second and third base.
U2 goes out with the fly ball. U2 should seek the best angle on the fly & be stopped & set for catch. U2 has Catch/No Catch responsibility. Once out, U2 should not return during play.
PU takes plays at the plate.
Note: PU will help U1 at third base if needed. U2 U1 BR PU

10. Coverage with runner on 1st: Fly to right field & U1 goes out
Reverts back to two man rotation
U1 goes out with the fly ball. U1 has Fair/Foul & Catch/No Catch. Once out, U1 should not return during play.
U2 moves to working area watches the tag up at 1st base but only assists if asked by PU. If R1 advances to 2nd U2 moves to 2nd base cut out. U2 has touches & any plays at 2nd on R1 & BR
PU moves toward 3rd Base into 2nd base extended for possible play. If play develops U3 lets the ball take him left or right for the best possible view of the tag. Retreat back to plate for any plays there. U2 R1 U1 BR PU

11. Coverage with runner on 1st: Fly to left field ...U2 goes out.
Reverts back to two man mechanics
PU move down to 3rd base & positions at 2nd base extended. PU has all touches & plays at 3rd base on R1 & BR
U1 comes in and pivots…or moves over to second base for a possible play at second.
U2 goes out for the catch U2 U1 R1 BR PU

12. Coverage with runner on 2nd: Fly to right field ;U1 goes out
Reverts to two man mechanics.
PU stays home, moving to 3rd Base Extended. If there is a play at home PU lets the throw move him left or right for the best angle on the tag.
U2 moves to the working area between 2nd and 3rd. U2 as all bases. U2 has tag up by R1 at 2nd & any throw back. U1 has touch at 1st base by BR. & takes BR to 2nd for possible play U1 R1 U2 BR PU

13. Coverage with runner on 2nd Or 2nd and 3rd:
Fly to left field & U2 goes out
Reverts back to 2 man rotation
PU stays home, moving to 3rd Base Extended. PU watches R1 touch 3rd base. PU has all touches or plays at home on R1 & BR
U2 moves into working area between 1st & 2nd. U1 has responsibility for all bases. U1 has R1 including tag up at 2nd base & any throw backs. U1 R1 U2 U1 BR PU

14. Coverage with runner on 3rd: Fly to right field & U1 goes out
Reverts back to 2 man rotation
PU stays home, but moves to 3rd base extended
U1 goes out with the fly ball. U1 has Fair/Foul & Catch/No Catch. Once out, U1 should not return during play.
U2 moves to working area between 2nd & 3rd. U2 watches the touch at 1st base & possible throw back. If BR starts for 2nd base U1 stays ahead of the BR, taking any calls at 2nd from the cutout. If BR returns to 1st U1 has any throw back to 1st. U1 U2 R1 BR PU

15. Coverage with runner on 3rd:
Fly to center field; U1 goes out if centerfielder comes in or to right field; otherwise U2 goes out.
PU watches tag up if U2 goes out.
moves toward 3rd base, about 20% of the way. If the ball is caught PU has tag-up by R1 at 3rd Base & retreats home to 3rd base extended. PU has any plays at home on R1. If the ball is not caught PU has the touch at the plate by R1. PU then continues toward 3rd. If the BR comes to 3rd, PU can either move to 3rd Base cut-out or to 2nd Base Extended. Plate has touch & any play on BR at 3rd
IF U1 goes out on the fly ball; U2 will cut over into the working area.
If U2 goes out with the fly ball. U1 will pivot taking the BR into 2nd .
U1 or U2 will go out on fly ball. U1 U2 R1 BR PU

16. Coverage with runners on 1st and 2nd: Fly to left field; U2 goes out.
Reverts to 2 man mechanics
PU moving to 3rd base extended for possible tag up and play at third. Then PU will retreat back to home for possible play
U1 moves inside … pivots & stays ahead of BR. For play at 2nd moves to cut out. If BR retreats to 1st U1 has any play at 1st U2 R1 R2 U1 BR PU

17. Coverage with runners on 1st & 3rd: Fly to left field; U2 goes out.
Reverts to 2 man mechanics
PU moves toward 3rd base, about 20% of the way. If the ball is caught PU has tag-up by R1 at 3rd Base & retreats home to 3rd base extended. PU has any plays at home on R1. If the ball is not caught PU has the touch at the plate by R1. PU then continues toward 3rd. If R2 comes to 3rd, PU can either move to 3rd Base cut-out or to 2nd Base Extended. PU has touch & any play on R2 & BR at 3rd
U1 observes Touch at 1st Base & has any throwbacks to 1st. If BR commits to 2nd U1 continue s to 2nd. U2 R2 U1 R1 BR PU

18. Coverage with runners on 1st and 3rd:
Fly to right field & U1 goes out
Reverts to 2 man mechanics
PU moves toward 3rd base, about 20% of the way. If the ball is caught PU has tag-up by R1 at 3rd Base & retreats home to 3rd base extended. PU has any plays at home on R1. If the ball is not caught PU has the touch at the plate by R1. PU then continues toward 3rd. If R2 comes to 3rd, PU can either move to 3rd Base cut-out or to 2nd Base Extended. PU has touch & any play on R2 & BR at 3rd
U2 observes Touch at 1st Base & has any throwbacks to 1st. U2 R2 U1 R1 BR PU

19. Coverage with bases loaded: Fly to left field & U2 goes out
PU stays home but clears the plate. PU has tag up by R1 at third. PU moves to 3rd base extended. PU has all touches & plays at plate on R1, R2 & on BR
U1 comes into the working area for all plays at a base. R2 U2 R3 U1 R1 BR PU