I thought face-guarding was illegal as well, but the NFL has come out and said that it was the wrong call on Hobbs--should have been a no call.
http://www.projo.com/patriots/conten...7.17a4fe8.html
Even without the call correction taken in to account, Hobbs had a monster game. Great to see him play at such a high level, despite what Rivers (Chargers) thinks. ;)
-Soren