Paul Connors, Associated Press
Arizona Cardinals' Kevin Kolb (4) walks off the field after an injury during the first quarter in an NFL football game against the San Francisco 49ers, Sunday, Dec. 11, 2011, in Glendale, Ariz.

TEMPE, Ariz. — Arizona Cardinals quarterback Kevin Kolb says he was able to practice "a little bit" on Wednesday after clearing tests evaluating the concussion he sustained early in Sunday's victory over San Francisco.

Unlike the situation with the Cleveland Browns, the Cardinals benched Kolb for good after he took a knee to the head on Arizona's third offensive play against the 49ers. He immediately went to the locker room for evaluation and it was determined he should not return to the game.

Kolb says he plans to practice more as the week goes on in hopes of being able to play Sunday against the Browns.

Arizona has won five of six and a victory Sunday would even the Cardinals' season record at 7-7 with two games to play.