In 1989, he started 12 out of 14 games, missing 2 contests with a finger injury. He led the team in pass attempts (362), completions (194), passing yards (2,543) and passing touchdowns (9) for the third consecutive year. He had a season-high 42 attempts in the 7-38 loss against the Chicago Bears. He led the team in rushing with 8 carries for 55 yards in the 24-10 win against the Tampa Bay Buccaneers. In the 19-20 loss against the Green Bay Packers, he completed 23-of-38 passes for a season-high 308 yards and 2 interceptions. In the 29-21 win against the Cincinnati Bengals, he passed for 303 yards and 2 touchdowns.