Sportsbooks infuriatingly usually refuse to allow parlaying two futures bets on one ticket. But In February 2014, at least one online bookmaker offered the novelty cross-sport prop, "Will both Peyton Manning and Tim Duncan retire as champions?" with decent odds of 20/1.
In Super Bowl 50, the Denver Broncos indeed sent Manning into the sunset as a champion. Unfortunately for bettors, Duncan's San Antonio Spurs went out in the first round of the NBA playoffs three months after the Broncos win.
Visit our sportsbook partners for latest odds, betting options and bonuses
