In Week 12 of the 2009 season, filling in for the injured Matt Ryan and playing for the first time since December 30, 2007, Redman led the Falcons to a dramatic comeback win against the struggling Tampa Bay Buccaneers. In the final seconds he threw a pass to Roddy White for the go-ahead touchdown on 4th and goal. Despite shaking off some rust, he was 23 of 41 for 243 yards with two touchdowns and no interceptions. As the starter for Ryan in Week 13 against the Philadelphia Eagles, Redman was 23 of 44 for 235 yards with one touchdown and two picks, one returned for a touchdown by the Eagles. In a second consecutive start filling in for Ryan against the undefeated Saints, Redman was much sharper, completing 23 of 34 passes for 303 yards with one touchdown (a 50-yard post pattern to Michael Jenkins) and one interception in a 26-23 loss.