EE WAS IN A CLASSIFIER TUB DOING MAINTENANCE, PULLING ON A VALVE ROD WHICH WAS STUCK IN THE SAND TO TRY TO DISLODGE IT. HE FELT A PAIN IN THE LEFT SIDE OF HIS BACK. IT HURT FOR A LITTLE WHILE THEN LATER THAT DAY HIS BACK POPPED. IT DID NOT HURT MUCH AFTER THAT BUT PAIN INCREASED AS THE WEEK PROGRESSED. HE BEGAN WEARING & BACK BRACE & RELATED THE EVENTS OF THE INJURY TO TEAM COOR.