Colts sign OT Andrew McDonald, waive TE Weslye Saunders

The Colts have added some offensive line depth and subtracted a little depth at tight end. Indianapolis announced the signing of offensive tackle Andrew McDonald on Tuesday. To make room for McDonald, the club waived tight end Weslye Saunders. The 26-year-old McDonald appeared in two games for Seattle earlier this season, playing on special teams.…