Apparently he had one today for the Bears but it was called back for a hold. Trying to track down video.

He also shut down Anquan Boldin for most of the day.

Saw it live. Great return. I think the punt didn't go where it was intended to go, and Bryce ended up with the ball instead of the regular guy. The holding was especially unfortunate because it was very brief and likely wouldn't have affected the return-for-TD

Not a good day for the Bears though. Cutler had a pick-6, their kicker missed two FG's (including a 37-yard game-winner at the end of the game that sent it into overtime), and then they gave up two long TD's to San Francisco to lose in an upset at home. I'm pretty sure Callahan wasn't involved in either of the two long Gabbert plays.