Baseball Pranks??

ok i just got on a team again and i was wondering if anyone had any pranks that i could do like in the dugout...ive already thought of gluing money to the cement and stuff on the dugout floor but i need more! just gimme all the ones u got and ill decide whether or not they're too harsh or ill get in trouble for it or what just plz help me out! thanx!...ooh and i need them pretty soon cuz i got practice on friday