On Sunday, South Carolina football finally cracked the top-25 rankings in the AP Poll and the USA Today Coaches Poll. Selected as the 23rd-best team in the country by both the coaches and the AP, the Gamecocks are 6-3 (4-3) after their third-straight blowout victory in Southeastern Conference play. ESPN’s FPI (Football Power Index) model likes Shane Beamer’s squad more and ranks them accordingly. According to the FPI, South Carolina football is the 14th-best team in the nation. The move to the 14th position is a four-spot jump fromlast week’s 18th ranking. [GamecockCentral: $1 for 7 days and 5…