He played college football for the Michigan Wolverines and USC Trojans and was selected by the Oakland Raiders in the third round of the 2003 NFL draft.

Fargas attended the University of Michigan, as a highly regarded football prospect, for three years (1998–2000).

He recorded personal best of 10.37 seconds in the 100 meters while in high school at Notre Dame High School in Sherman Oaks, California while qualifying for the 1998 CIF California State Meet and 50.13 seconds in the 400 meters in 2007 during the off season while playing for the Oakland Raiders.

He split time in 2009 with Darren McFadden and Michael Bush, and he was second on the team in rushing with 129 carries for 491 yards and three touchdowns.

They needed a running back after Knowshon Moreno, Correll Buckhalter, and LenDale White were all injured in training camp.

[10] He was indirectly referenced in an early episode of The Simpsons, when a show titled "Old Starsky and Hutches" wins an Ace Award at a ceremony hosted by Homer as a Krusty the Klown impersonator.