still, defense is a lot about effort. It's possible that TJ didn't feel like playing defense. We'll see.
All in all, it's a good move for a few reasons. Jose cannot complain since he asked for it (with a true heart or not, who knows - maybe he was expecting Sam to say no), TJ value might increase if he plays well, Jose's value will surely decrease, since most people will not hear about the part where he asked for it, the thing that will stay in their minds will be that he was demoted. And finally, if it doesn't work, then Sam will get a lot of blame for this, because in the end it was his decision ...