Denver Nuggets def. Seattle Supersonics – 1994 NBA Playoffs:
The Seattle Supersonics were viewed as one of the favorites to win the NBA title in 1994. Boasting stars Gary Payton and Shawn Kemp, they had bulldozed through the season. They came into the playoffs as the No. 1 seed in the Western Conference and played the No. 8-seeded Denver Nuggets in the first round. Things were going along according to plan and they won the first two games of their best-of-five series.
But Denver somehow came back to win an unreal three games in a row, sparking one of the biggest upsets in NBA history. Their unsung group of heroes such as Robert Pack, Reggie Williams, and Brian Williams all put in their best showings to force overtime in the fifth and deciding game. They won 98-94, and the iconic image of Denver star Dikembe Mutombo celebrating in elation will last forever. They became the first No. 8 seed to beat a No. 1 seed.