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Running back Taiwan Jones soared into the NFL with a 4.33-second 40-yard dash. Since then, he has disappeared.

Jones will be reappearing on Sunday.

After getting 16 carries for 73 yards in 2011 and one attempt for two yards so far this season, Jones has bumped up to the top of the depth chart, thanks to a pair of high-ankle sprains suffered by Darren McFadden and Mike Goodson.

Though guys like fullback Marcel Reece and practice-squad running back Jeremy Stewart could get touches on Sunday, Jones looks to be the lead dog as the Raiders try to move the chains against a Ravens defense that has become vulnerable on the ground.

The Raiders haven’t added any additional ball carriers; as coach Dennis Allen says that they “have guys in house that can step in,” via the San Francisco Chronicle.

We’ll see on Sunday if they do.