Sec. 3. A PLAYER or a SUBSTITUTE shall be officially in the game when his name has been entered on the official score sheet, and in possession of the Official Scorer or who has been announced as a substitute by his manager. A substitute may take the place of a player
whose name is on his team’s batting order. The following regulations govern the substitution of players:
A. The manager of the team making the substitution or the substitute should im- mediately notify the umpire.
B. If for any reason the umpire is not notified of the substitution and the change is not announced, the substitute will be considered in the game as follows:
1. If the batter, when he takes his place in the batter’s box.
2. If a fielder, when he takes the place of the fielder substituted for.
3. If a runner, when he takes the base runner’s place on the base he was
4. If a pitcher, when he occupies the pitcher’s plate and delivers a practice pitch.
C. Whether a substitute is announced or not, when he assumes one of the above replacements of a player, any play made by or on this player shall be legal. THERE IS NO PENALTY APPLIED FOR THIS UNANNOUNCED SUBSTITUTE