Rudy Carpenter's bid for the No. 3 quarterback job has become a pain in his side. Carpenter strained an oblique muscle and has not been able to throw much during OTAs.
Carpenter said he was injured during one of the quarterbacks' throwing sessions before the organzied team activities started.
"It was kind of random," Carpenter said. "I've never done it before."
Carpenter, who will compete with Stephen McGee for the third spot behind Tony Romo and Kyle Orton, hopes to be 100 percent -- and participating fully in the OTAs -- next week.
"They just want me to be 100 percent before I throw," Carpenter said.
The Cowboys signed Carpenter as an undrafted free agent in 2009, the same year they drafted McGee in the fourth round. In the end, Dallas kept McGee over Carpenter on the active roster, even though Carpenter outplayed McGee. The Cowboys signed Carpenter to the practice squad that season before Tampa Bay signed him to its active roster.
Having been here before, Carpenter said he is very comfortable in the Cowboys' offense.
"When I was here before, I felt like really comfortable as far as knowing what's expected of me, and I felt really comfortable in knowing the offense and knowing how to execute the offense, which is why in the only chance I got to play I was able to play pretty well," Carpenter said. "But I just think the circumstances were different then. So I feel like this time around, I really know what I'm doing. I think the learning curve is a lot less. I feel like I can run the offense when I go in there now."
Carpenter, 26, got into one regular-season game with the Bucs last season, although he didn't throw a pass. In the 2011 preseason, Carpenter completed 24 of 42 passes for 388 yards with two touchdowns, no interceptions and a 104.1 passer rating.
-- Charean Williams