There's a lot of speculation about insane things here. Is there any reason to think he didn't want to play on turf, or that he's only going to play every other game, or any of the other wild possibilities here? Maybe he really just tweaked it. Who knows. I feel like there is a lot of assuming the worst in folks in here. Bak is an all-world .001% guy in the general population aka a very impressive person in all facets of life. I highly doubt he would mail it in.