The Facts: Lattimore, whose brilliant collegiate career was cut short by serious left knee injuries, announced his retirement from the NFL on Wednesday.

Diehards Line: Lattimore’s retirement comes one week after he returned to practice to test his injured knee. However, it reportedly did not go as well as hoped for the second-year tailback, leading to speculation about his future. In his statement, Lattimore indicated that rehabilitating his injured knee “fully back to the level the NFL demands has proven to be insurmountable.” Lattimore said he would return to South Carolina to finish his degree.