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UCU Video Mechanics Gram #20: U3 Starting Position with R1 and R3

UCU Video Mechanics Gram #19: Plate/Wing Umpires Don't Give Up Line Too Soon.

UCU Video Mechanics Gram #18: U3 Movements on Single with R1 Stopping at Second

UCU Video Mechanics Gram #17: Do Not Go Below Bag Routine Single

UCU Video Mechanics Gram #16: U1 No Longer Reading True Throw From Infielder

UCU Video Mechanics Gram #15: Wing Umpire Depth Related to Fielder's Depth

UCU Video Mechanics Gram #14: Plate Umpire Movements with R1 and R2

UCU Video Mechanics Gram #13: U3 Rotation to Second with Play on Batter/Runner

UCU Video Mechanics Gram #12: U3 Movements on Missed U1 Rotation

UCU Video Mechanics Gram #11: U1 Missed Rotation - Play Back on Batter/Runner

UCU Video Mechanics Gram #10: Plate Umpire Identifying Missed U1 Rotation

UCU Video Mechanics Gram #9: U3 Starting Position with R3

UCU Video Mechanics Gram #8: U1 Position on Appeal Play Back to First Base

UCU Video Mechanics Gram #7: U1 Pushes U3 on Passed Ball/Wild Pitch

UCU Video Mechanics Gram #6: U1 Starting Position with R1 Being Held
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