The Cardinals signed seventh-round pick Brandon Keith, an offensive lineman, to a three-year contract Wednesday.

The Cardinals inked another draft pick Wednesday when offensive lineman Brandon Keith, the team's seventh-round choice, signed a three-year contract on the rookies' final day of offseason workouts.

The Cards, as is their custom, did not announce financial details.

The Cardinals have four picks left unsigned prior to the opening of training camp on July 23: sixth-round linebacker Chris Harrington and their top three choices, cornerback Dominique Rodgers-Cromartie, defensive end Calais Campbell and wide receiver Early Doucet.

The team is hoping to close another contract or two by the end of the week.

The Cardinals are still trying to negotiate with franchised linebacker Karlos Dansby on a long-term deal as well. The deadline to get a deal done with Dansby is July 15, less than a week away.

Keith, a 6-foot-5, 343-pounder from Northern Iowa, took a circuitous route to the NFL. He started at a junior college, transferred to Oklahoma University and, after academic issues and conflicts with the coaching staff, transferred again to Northern Iowa.

There, playing alongside fellow draftee Chad Rinehart, Keith developed enough that some scouts considered him the best lineman prospect on the team.

"You've got to live with things and learn from them, as a person and as a football player," Keith said.

"Within the turmoil of everything, I fell into a great situation (in Arizona)."

Keith, who worked at right tackle during offseason practices, is vying for a backup role on a line that has little experience. Behind the starters, the only lineman with extensive experience is Elton Brown, although both Lyle Sendlein and Scott Peters have played.

Contact Darren Urban at askdarren@cardinals.nfl.net. Posted 7/9/08.