 He was the last quarterback to start and win a game for a Tom Landry-coached team and became one of only 3 quarterbacks in franchise history to pass for more than 3,000 yards in a season, joining Roger Staubach (2 times) and Danny White (4 times).The next year, he asked to be traded, after Jimmy Johnson was hired as the new head coach and drafted two rookie quarterbacks (Troy Aikman and Steve Walsh).On October 17, 1989, he was traded to the Kansas City Chiefs in exchange for a third round draft choice in 1990 (#68-Ron Lewis) and a fourth round draft choice in 1991 (#106-Bill Musgrave).