OFFICIAL BASEBALL RULES

Rule 5.10is put out or reaches first base, unless the batter is substitutedfor, or the pitcher sustains an injury or illness which, in thejudgment of the umpire-in-chief, incapacitates him from pitching.If the pitcher ends the previous inning on base or at bat anddoes not return to the dugout after the inning is completed, thepitcher is not required to pitch to the first batter of the inninguntil he makes contact with the pitcher’s plate to begin hiswarm-up pitches.(j) (3.08(a)) If no announcement of a substitution is made, the substituteshall be considered as having entered the game when:(1) If a pitcher, he takes his place on the pitcher’s plate;(2) If a batter, he takes his place in the batter’s box;(3) If a fielder, he reaches the position usually occupied bythe fielder he has replaced, and play commences;(4) If a runner, he takes the place of the runner he hasreplaced.(3.08(b)) Any play made by, or on, any of the above mentionedunannounced substitutes shall be legal.(k) (3.17) Players and substitutes of both teams shall confine themselvesto their team’s benches unless actually participating in theplay or preparing to enter the game, or coaching at first or thirdbase. No one except players, substitutes, managers, coaches,trainers and bat boys shall occupy a bench during a game.PENALTY: For violation the umpire may, after warning,remove the offender from the field.Rule 5.10(k) Comment (Rule 3.17 Comment): Players on thedisabled list are permitted to participate in pre-game activityand sit on the bench during a game but may not take part in anyactivity during the game such as warming up a pitcher, benchjockeying,etc. Disabled players are not allowed to enter theplaying surface at any time or for any purpose during the game.(l) (8.06) Visits to the MoundA professional league shall adopt the following rule pertaining tothe visit of the manager or coach to the pitcher:53