Who was the MVP of Super Bowl XVIII between Dallas Cowboys and Buffalo Bills?

The MVP of Super Bowl XVIII was Marcus Allen. The question incorrectly identifies the competing teams as the Dallas Cowboys and Buffalo Bills.

Super Bowl XVIII was played on January 22, 1984, between the Washington Redskins and the Los Angeles Raiders. The Raiders won 38–9 at Tampa Stadium.

Allen delivered one of the game’s greatest performances. He rushed for 191 yards on 20 carries, scored two touchdowns, and added 18 receiving yards.

His 191 rushing yards set a Super Bowl record at the time, while his 74-yard touchdown run in the third quarter remains one of the game’s signature plays. Allen was named Super Bowl MVP for the performance.