The sixth-year former All-Pro struggled to stay on the field last season, picking up 421 yards and three scores on 144 carries through eight games. He had 1,402 rushing yards and six touchdowns in 16 games in 2015. Martin, 28, has never truly been able to return to his rookie form. In 2012, the No. 31 pick in the 2012 NFL Draft had 1,926 yards from scrimmage and 12 touchdowns.