John Riggins of the Washington Redskins with 24 rushing TDs in the 1983 season.
Beattie Feathers with 1,004 rushing yards in 1934.
Beattie Feathers of the 1934 Chicago Bears with 1004 rushing yards.
In his first season (1990) with the Cowboys, Emmitt Smith rushed for 937 yards on 241 attempts for a 3.9 yard per rush average. He scored 11 rushing TDs that season.
His first season was 1989. He rushed for 1,470 yards for a 5.3 yard average. He did that in 15 games, because he didn't play in the final game of the season.
In 1998, Terrell Davis became the first Denver Bronco to rush for more than 20 touchdowns in a season, finishing with 2,008 rushing yards and 21 rushing touchdowns. He also had 25 receptions that season for 217 yards and 2 TDs.
In Walter Payton's first NFL season (1975) he had 196 rushing attempts for 679 yards and caught 33 passes for 213 yards.
None because he was injured in the first game of the season against the Chiefs
John Henry Johnson with 1141 rushing yards in the 1962 season.
Tony Canadeo with 1052 rushing yards in 1949.
Jim Taylor in 1966 ... he ended up with 8207 career rushing yards for the Packers.
Adrian Peterson had over 1900 yards as a freshman at Oklahoma