1 / 200
Dallas Cowboys quarterback Tony Romo (9) scrambles as Minnesota Vikings defensive end Brian Robison (96) tackles during an NFL football game, Sunday, Oct. 21, 2007, in Irving, Texas. (AP Photo/LM Otero)
2 / 200
Minnesota Vikings defensive end Brian Robison is shown during a NFL football game against the Green Bay Packers Sunday, Nov. 30, 2007 in Minneapoliis. (AP Photo/Jim Mone)
Jim Mone
3 / 200
FILE Minnesota Vikings defensive end Brian Robison, right, celebrates after sacking Atlanta Falcons quarterback Joey Harrington during the fourth quarter in a football game, Sunday, Sept. 9, 2007 in Minneapolis. Robison had two sacks in his NFL debut Sunday against Atlanta. His speed off the edge and relentless pursuit are two things the Vikings defense has sorely lacked in recent years. (AP Photo/Tom Olmscheid)