FED: Whole offensive lineup lines up along the dugout and takes practice swings while the pitcher is warming up. Do you enforce 3-3-3 or let it go?  Why or why not?   FED 3-3-3 as grounds for not allowing this: ART. 3 . . . Players loosening up to bat shall remain in the area of their team's on-deck circle while the pitcher is warming up (1-2-3). PENALTY: The umpire shall issue a team warning to the coach of the team involved. The next offender on that team shall be ejected.