FRISCO, Texas -- Dallas Cowboys running back Javonte Williams has already surpassed all expectations that came with the team signing him to a one-year, $3 million contract on the first day of free agency in March. Williams ranks fifth in the entire NFL in rushing yards (312), tied for second in rushing touchdowns (four) and eighth in yards per carry (5.0, minimum 35 carries).

Williams is clearly the Cowboys' bell cow back, especially after going for 85 yards and a touchdown on a season-high 20 carries in Dallas' 40-40 tie against the Green Bay Packers on "Sunday Night Football" in Week 4. However, the 25-year-old needs a reliable back to spell him across a 17-game season.

Seven-year veteran Miles Sanders has been serving as Dallas' backup, but he suffered an ankle injury agains

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