It was 40 years ago tonight, in the old Baltimore Arena, that the Milwaukee Bucks, just three years removed from their expansion season, sat atop the basketball universe. The Bucks, led by future Hall of Famers Oscar Robertson and Kareem Abdul Jabbar (still Lew Alcindor at that point), polished off a four-game sweep of the Baltimore Bullets to clinch what is still the only National Basketball Association Championship in franchise history.