A week that saw the three final undefeated teams lose -- two by a lot (OU to Alabama and Tennessee to Florida) and one by a little (Florida to Kentucky) -- prompts major changes in this week's college basketball power rankings.

The last undefeated team in men's college basketball fell on Tuesday night in Gainesville, where the Florida Gators embarrassed the Tennessee Volunteers, 73-43. Todd Golden's team was coming off a sho

Tennessee is still 14-1 with road wins at Illinois and Louisville, a neutral-site win over Baylor and a home blowout over Arkansas, so the Volunteers can't drop too far. But that performance against the Gators on Tuesday will be a rough spot on their résumé all season -- and could come up in discussion on Selection Sunday.