The battles of the firsts

Oakland and Minnesota meet Sunday in a rematch of Super Bowl XI. At the time, that was a matchup between two teams that many times had fallen just short of winning the Super Bowl.

Today’s question: Since that time, what are the only four Super Bowls that featured two teams that never won a Super Bowl?

Yesterday’s answer: Current Tampa Bay quarterback Jameis Winston was the youngest — 19 years, 342 days — when he won the Heisman Trophy in 2013 while attending Florida State.