Las Vegas Raiders running back Alexander Mattison is due to receive a larger share of the team's backfield touches moving forward, according to head coach Antonio Pierce. "He's deserved more reps," Pierce said, "and he'll get them." Mattison has been involved in the offense, but primarily as the "third-down" back and a change of pace behind backfield mate Zamir White. White has out-carried the former 49-to-17 through the season's first four weeks, but the former Viking has been more effective ...