July 4th 2008, on this day in Baseball History:
Wooden Bat breaks- Batter injured
Troy Tulowitzki, who played shortstop for the Colorado Rockies, had to become 16 stitches in the palmof his hand after a maple bat broke and splittered. The injury ensued after he smashed the bat on the ground after striking out.
Maple bats are allowed in Major League Baseball, however they are under Major League Investigation because they break easily and literally explode, thereby often flying in the directon of pitchers and infielders.