Good times have been plentiful for Alfred Morris (left) and Robert Griffin III, who have made the biggest impact as rookie backfield mates since Otto Graham (below) and Marion Motley for Cleveland in 1946. (Preston Keres/Special to The Washington Times)

Good times have been plentiful for Alfred Morris (left) and Robert Griffin III, who have made the biggest impact as rookie backfield mates since Otto Graham (below) and Marion Motley for Cleveland in 1946. (Preston Keres/Special to The Washington Times)