Deion Sanders changes the coaching staff at Colorado.

Colorado has dropped four of its previous five games and has to win two of its last three to qualify for a bowl game.

Sean Lewis, the Buffs' offensive coordinator, will remain on the team and call plays for the game against the Beavers.

He worked as an offensive coordinator for the St. Louis Rams, Philadelphia Eagles, Minnesota Vikings, and Denver Broncos. Lewis left his position as head coach at Kent State to become the offensive coordinator at Colorado.

Colorado has dropped four of its last five games after opening 3-0.

The Buffaloes rank 84th in yards per play, dead last in yards per rush, and are in the bottom four in both sacks and TFLs allowed.

"Running the ball is a struggle, a struggle." We need to find that out because you're suddenly one-dimensional.

"It's easy to stop a one-dimensional team," Sanders said after CU's loss to UCLA on Saturday. "That's who we are at this point in time."

To reach a bowl game, Colorado needs win two games against No. 16 Oregon State (10:30 p.m. ET, ESPN), Arizona, Washington State, and No. 18 Utah.