Behind a smothering effort on defense, Florida basketball takes down a No. 1 team for the first time ever in the regular season, beating the No. 1 Vols

UF students waited outside for hours, hoping to see the No. 8 Gators battle No. 1 Tennessee. As the game tipped off, many were turned away outside the O'Connell Center.

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.