In the entire history of the NCAA tournament, only 20 teams have ever entered the tournament with a perfect record.

Sustaining excellence in college basketball is no easy task. But some teams have active ongoing streaks that have lasted two decades.

After Saturday's win over No. 15 Oregon, the Gophers are No. 96, which is a season best. For reference, the lowest-ranked at-large team in last season's NCAA Tournament was Virginia, which was ...