Rawls rushed for 830 yards and four touchdowns in seven starts before a broken ankle ended his season in December .
Thomas Rawls had a stellar rookie season in place of an injured Lynch in 2015 .
Thomas Rawls rushed for 830 yards and four touchdowns in seven starts before a broken ankle ended Thomas Rawls ' season in December .
Thomas Rawls had a stellar rookie season in place of an injured Lynch in 2015 .