12. 1956 San Francisco Dons

Key Players: Bill Russell, Hal Perry, K.C. Jones
Finish: Won the national championship
Record: 29-0
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Back in the '50s, Bill Russell was a beast. OK, OK, so you already knew that. But did you know that his college squad managed to reel off 55 straight wins and win two straight titles in 1955 and 1956? And, in '56, they had to do without the services of the All-American guard KC Jones during the tournament, making the feat all that much more impressive. So, how'd USF manage it? By getting 50 rebounds total from Russell in the semifinal and final games. Unbelievable.