Flores had his most productive season in 1966. Although he completed only 49.3 percent of his attempts, he passed for 2,638 yards and 24 touchdowns in 14 games. He is the fifth-leading passer, all-time, in the AFL. He went on to coach the Raiders to two Super Bowl victories, and also coached the Seattle Seahawks. Flores is a member of the American Football League Hall of Fame.