South Carolina was dealt a huge blow to their hopes of repeating as SEC East champions when Marcus Lattimore was injured during the Mississippi State game.Lattimore suffered a torn ligament and cartilage damage while blocking for Bruce Ellington during the fourth quarter of the Gamecocks' win over Mississippi State.The Gamecocks are without their star running back for the rest of the 2011 season. He's a big part of this offense's identity and now leaves Steve Spurrier scratching his head trying to find his options behind him.There has already been a season-ending injury to true freshman Shon Carson, and backup fullback Matt Coffee suffered a knee injury in the Mississippi State game and is lost for the season as well.The options are dwindling for the Gamecocks, but here are the names you need to know going forward as the people who look to replace the production of Marcus Lattimore.Begin Slideshow