If he's a repeat offender, and if he injured the caddie, it sounds more like a case for expulsion than suspension. I'd recommend starting with that premise but then if there are other extenuating circumstances that might warrant clemency, perhaps show some mercy and offer suspension, but he'd really have to show a lot of remorse and take lots of affirmative steps to show you he's reformed and sorry. But Terry, from the facts you give us - repeat offender with a record of throwing ***and breaking*** clubs - and hitting a caddie in the face, that's gravely serious.
Terry, are the rules in ILL the same as NY in that it a Workers Compensation case? (That's not my specialty at all, so if it's not don't hold it against me...)