Waltham Youth Baseball is holding it's annual Joseph Nipper and Alice Maher 4th of July Invitational Tournament. Games are played from 6/28/12-7/1/12, and opening ceremonies are 12pm on Saturday, 6/30 at Nipper Maher Park on Dartmouth Street. Teams participating are from Waltham, Newton, Hudson, Weston, Marblehead, Natick, Winchester, and Amherst, Ontario, Canada. Voluteers are greatly needed for scoring, field crew and concessions. Contact Bill Hanley at firstname.lastname@example.org to volunteer, even an hour of your time will be greatly appreciated. See www.walthamyoutbaseball.com or www.facebook.com/walthamyouthbaseball for details.