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Alabama Tops First NCAA RPI of 2011 Season

NCAAINDIANAPOLIS, Ind. - The NCAA has released its first Division I Ratings Percentage Index (RPI) of the season and you can find it by clicking here. The NCAA develops an RPI to give its selection committee an additional tool for selecting the NCAA championship field.  

Topping the first 2011 edition of the index of the season is Alabama, who also holds the top spot in the latest USA Today/NFCA Top 25 poll. Following the Crimson Tide are SEC foes Georgia and Florida at second and third, respectively. Arizona finished the first ratings in fourth, while Oklahoma was fifth to round out the first top five of the season. 

The SEC leads all conferences in RPI Top 25 teams with seven, with the Big XII and the Pac 10 following closely behind with six and five each, respectively. 

When determining the RPI for each team, the following basic formula is used for the RPI:  

25% -- Winning percentage.  

50% -- Opponents’ winning percentage.  

25% -- Opponents’ opponents’ winning percentage.  

Although the NCAA publishes this basic formula, it does not release the mathematical bonus and penalty calculations (such as a bonus for a win against a team in the top 25).