5.10 Substitutions and Pitching Changes (Including Visits to the Mound) - Baseball Rules Academy

(a) A player, or players, may be substituted during a game at any time the ball is dead. A substitute player shall bat in the replaced player’s position in the team’s batting order.(b) The manager shall immediately notify the umpire-in-chief of any substitution and shall state to the umpire-in-chief the substitute’s place in the batting order.Rule 5.10(b) Comment:To avoid any confusion, the manager should give the name of the substitute, his position in the batting order and his position on the field. When two or more substitute players of the defensive team enter the game at the same time, the manager shall, immediately before they take their positions as fielders, designate to the umpire-in-chief such players’ positions in the team’s batting order, and the umpire-in-chief shall so notify the Official Scorer. If this information is not immediately given to the umpire-in-chief, the umpire-in-chief shall have authority to designate the substitutes’ places in the batting order. If a doub...