Free-agent quarterback Brock Osweiler visited with the Indianapolis Colts on Tuesday, according to a source. Phillip Walker is the current backup to Jacoby Brissett now that Andrew Luck has retired. Osweiler would represent a slight upgrade with more experience. The former Denver Bronco played in seven games with the Dolphins in 2018, completing 63.5 percent of his passes for 1,247 yards, six touchdowns and four interceptions. Brissett completed 58.8 percent of his passes for 3,098 yards, 13 ...