Answer
Terry Bradshaw threw for more than 300 yards in two Super Bowls, Super Bowl XIII and Super Bowl XIV. In Super Bowl XIII, Bradshaw threw for 318 yards and three touchdowns in the Steelers' 35-31 win over the Dallas Cowboys. In Super Bowl XIV, Bradshaw threw for 309 yards and two touchdowns in the Steelers' 31-19 win over the Los Angeles Rams.