MLB Umpire Manual
Reference(s) Topic Page 1. 3.03…………………………Jackets………………………………………………………………….1 2. 3.04…………………………Catcher’s Mitt ……………………………………………………….1 3. 3.04,3.05,3.06 ……………..Procedures for Measuring Fielding Gloves ………………1 4. 3.05…………………………First Baseman’s Mitt……………………………………………..1 5. 4.03…………………………Lineup Cards ………………………………………………………..2 6. 5.01(b),5.06(c)(7), 5.06(c)(7) Comment……….Ball Going Into Player’s Uniform ……………………………2 7. 5.02…………………………First Baseman Playing in Foul Territory…………………2 8. 5.04(b)(5),6.03(a)(1)……….Batter’s Position in Batter’s Box……………………………..3 9. 5.05(a) ……………………..Fly Ball Striking Top of Outfield…
JACKETS Rule 3.03:
A pitcher may wear a jacket while a base runner. A pitcher may not wear a jacket while batting. No other player is permitted to wear a jacket while a base runner, a batter, a defensive player or a coach on the baselines. If worn, the jacket must be buttoned and is not permitted to…
CATCHER’S MITT Rule 3.04
The catcher may not substitute a fielder’s glove or a first baseman’s mitt for a catcher’s mitt during the progress of the game or on any individual play. The catcher may use a catcher’s mitt with a vinyl fluorescent piece attached.
