Claim: Marcus Allen's younger brother used to be a professional quarterback.

Marcus LeMarr Allen -LRB- born March 26 , 1960 -RRB- is a former American football running back and football analyst for CBS . As a professional , Allen ran for 12,243 yards and caught 587 passes for 5,412 yards during his career for both the Los Angeles Raiders and the Kansas City Chiefs from 1982 to 1997 . He scored 145 touchdowns , including a then league record 123 rushing touchdowns , and was elected to six Pro Bowls over the course of his career . He was also a fairly good passer for a running back , completing 12 of 27 passes for 285 yards and six touchdowns , with only one interception . Allen was the first player ever to gain more than 10,000 rushing yards and 5,000 receiving yards during his career .   Allen is considered one of the greatest goal line and short-yard runners in National Football League -LRB- NFL -RRB- history . His younger brother , Damon Allen , played quarterback for 23 seasons in the Canadian Football League and was professional football 's all-time leader in passing yards .   Allen has the distinction of being the only player in the history of football to have won a Heisman Trophy , an NCAA National Championship , a Super Bowl , and be named NFL MVP and Super Bowl MVP . He has also been inducted into both the College Football Hall of Fame and the Pro Football Hall of Fame .