OK I see now that it was intended to only include current players... there are tons worse than Pierre if you include retired players. I figured the hint was a hint, not a mandatory part of the question.
And yes... it's Pierre. Of all people to actually hit a HR, only him and Woody Williams are worse.
"Jack, will you call me, if you're able?"
"I've got your phone number written, in the back of my Bible."