The Cowboys have already started an overhaul of the coaching staff in their attempt to place blame for the woeful 2011 season and make changes for next year.
Longtime secondary coach Dave Campo is gone, as is veteran offensive line coach Hudson Houck, who retired Jan. 10 after 29 years in the league.
The two will be replaced by Jerome Henderson and Bill Callahan, respectively.
Henderson is coming to Dallas from Cleveland, where he worked under defensive coordinator Rob Ryan in 2009 and 2010. The Cowboys wanted to hire him last year when they hired Ryan but couldn't get him away from his contract.
Callahan is coming from the Jets and is likely here because the Cowboys couldn't get former Dolphins coach Tony Sparano to take the gig without also being offensive...