The Bears on Tuesday promoted cornerback Al Louis-Jean from the practice squad to the 53-man roster and waived cornerback Isaiah Frey and defensive end David Bass.
Frey appeared in 19 games with seven starts over three seasons with the Bears, registering 73 tackles, one forced fumble, one fumble recovery and two pass breakups.
He served as the team's nickel back the past three games after cornerback Kyle Fuller was lost for the season with a torn triceps in a Week 2 win over the San Francisco 49ers. Frey forced and recovered a fumble in Sunday's loss to the Carolina Panthers when he stripped the ball from receiver Kelvin Benjamin after a 20-yard reception.
Frey was selected by the Bears in the sixth round of the 2012 draft out of Nevada. After spending his entire rookie season on the practice squad, he appeared in all 16 games with six starts last year as the Bears' nickel back, recording 62 tackles and two pass breakups.
Bass played in 13 games with one start the past seasons with the Bears, compiling 20.5 tackles, one sack, 2.5 tackles-for-loss and one interception, which he returned 24 yards for a touchdown last November in a win over the Baltimore Ravens.
The Bears also made practice-squad moves Tuesday, re-signing linebackers DeDe Lattimore and Terrell Manning and terminating the contracts of defensive end Roy Philon and receiver/return specialist Rashad Ross.