Complex sentence: He played in Super Bowl XXXVIII for the Carolina Panthers as a kick returner/running back, and has also played for the Philadelphia Eagles, the San Diego Chargers, and, most recently, the Oakland Raiders.
Split into simpler sentences: He played in Super Bowl XXXVIII for the Carolina Panthers as a kick returner/running back, and has also played for the Philadelphia Eagles. He had also been on the roster of the San Diego Chargers, and, most recently, the Oakland Raiders.