Las Vegas Raiders running back Alexander Mattison will keep his duties as the lead RB for the Raiders for their Week 9 matchup against the Cincinnati Bengals. He's been inefficient as a runner, averaging just over 3.1 yards per carry on the season. Most of his value has come from rushing touchdowns and receiving work this season. He rushed 14 times for 15 yards against the Kansas City Chiefs in Week 8, though they're the toughest run defense in the NFL this year. The Bengals present an easier ...