The Bears have parted ways with Derrick Martin and Rogers Gaines.
The Bears flashed some new looks on defense at Tuesday’s practice.
With Roberto Garza’s contract expiring, Boggs is currently the lone center on the roster for 2014.
With growing concerns on defense, the Bears have signed veteran safety Derrick Martin to a one-year contract.
The Chicago Bears trimmed their roster Sunday, cutting 14 players.