No. 10: 1968-69
Playoff record: 12-6
The Last Hurrah for both Russell and the great Sam Jones. After pacing themselves in the regular season, the ancient Celtics (the starting five averaged 32 years of age) knocked off favored Philadelphia, New York, and, finally, star-laden Los Angeles, winning the famous Game 7 in the Fabulous Forum and in so doing keeping celebratory balloons fastened to the ceiling.