When there's the amount of money that is out there now, exactly right. Going into the combine/individual workouts/draft, you'd have to be crazy to risk injury if you're projected to be drafted in the top several rounds.
Get used to it. This is gonna become commonplace. Probably kill off half a dozen (or more) bowls that already don't draw flies (which wouldn't be a bad thing).
I doubt he's really injured but he's definitely doing the smart thing. Decent $$ is on the line. Gerald's not gonna change his draft stock no matter how he might play in the Bronx. An injury, though ... and he's screwed.