ALAMEDA, Calif. - The Oakland Raiders have signed free agent running back Trent Richardson.

The team announced the deal with the third pick in the 2012 draft on Tuesday.

The Raiders will be Richardson's third team since coming out of Alabama as one of the most heralded running backs in years. He was drafted by Cleveland and rushed for 950 yards and 11 touchdowns as a rookie.

The Browns then traded Richardson to Indianapolis for a first-round pick just two games into the 2013 season. Richardson ran for 977 yards in 29 games for the Colts before getting cut last week.

Richardson is averaging just 3.3 yards per carry in his career.

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