 Heading into the final game of the 1966 season vs. USC, UCLA was 2–1 in conference games, 8–1 overall and ranked #5 in the country.The Bruins, featuring a "dream backfield" of All-Americans Gary Beban and Mel Farr, lost only one game, at rainy Washington, 16–3, where Huskies' head coach Jim Owens had devoted his entire season to beating Prothro.UCLA had beaten UW the season before, 28–24, with Prothro's trick play, the Z-streak in which a receiver trots towards the sideline like he's going out of the game and then runs a streak pattern unguarded by the inattentive defender.