In a stunning display of defensive prowess and team cohesion, the Florida men's basketball team delivered one of college basketball's most decisive upsets on Tuesday, defeating the previously undefeated and No.

The anticipated carnage of the SEC basketball schedule is underway after just one week of action. Three teams ranked inside the top 10 of the USA TODAY Coaches Poll already have a loss. A pair of teams in the preseason top 25 are 0-2,

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 Auburn Tigers are one of three teams listed in the national championship favorites — the top tier — while Florida, Kentucky, Tennessee, the Alabama Crimson Tide and Texas A&M Aggies are mentioned among the Final Four contenders.