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Mark Duncan, Associated Press
Pittsburgh Steelers running back Isaac Redman (33) celebrates his 7-yard touchdown run with offensive tackle Marcus Gilbert (77), wide receiver Hines Ward (86) and guard Ramon Foster (73) in the third quarter against the Cleveland Browns in an NFL football game, Sunday, Jan. 1, 2012, in Cleveland. At left is Cleveland Browns cornerback Joe Haden (23).

PITTSBURGH — It took Pittsburgh Steelers running back Isaac Redman awhile to get coach Mike Tomlin to say his name properly.

Redman says when he was a rookie two years ago, Tomlin kept intentionally calling him by other names. It wasn't until Redman proved his toughness in a set of goal line drills during training camp that Tomlin finally got it right.

Redman hopes to bring that toughness on Sunday against Denver in the wild card round. He'll get his first postseason start in place of Rashard Mendenhall, who is out for the entire postseason after tearing the ACL in his right knee.

Redman ran for 92 yards and a touchdown in a 13-9 win over Cleveland last Sunday but also fumbled twice. Redman says he's "not perfect" but that the fumbles were an aberration.