Colts re-sign Walker to practice as possible backup QB

INDIANAPOLIS (AP) — The Indianapolis have signed quarterback Phillip Walker to the practice squad and claimed cornerback Ryan Lewis off waivers from Buffalo.
Walker spent most of the last two seasons on Indy’s practice squad and could serve as Jacoby Brissett’s backup for the first two games. The Colts have been searching for another quarterback since Andrew Luck announced his surprise retirement Aug. 24.
The only other quarterback on the roster, Chad Kelly, must serve a two-ga