I have asked several beat guys and no one has answered. Either they don't know or don't want to say.
MM doesn't talk about specifics of injuries. Unless Perry has talked about it, they likely wouldn't know. Of course, if Perry plays with a club, that may provide a hint as to which hand it is.
Ring the bells that still can ring
Forget your perfect offering
There is a crack, a crack in everything
That's how the light gets in - Leonard Cohen