EE WAS CLEANING OUT THE GRATE AT THE BULLPEN. BECAUSE ROCKS BUILD UP THAT WON'T GO THRU THE GRATEM EE WAS USING A SLEDGE HAMMER TO KNOCK THEM THRU THE GRATE. AS HE WAS SWINGINGTHE SLEDGE HAMME R HE SLIPPED AND FELL BACKWARDS AND CAUGHT HIMSELF WITH HIS HAND, BENDING HIS WRIST BACKWARDS.