Prescott completed 66.5 percent of his passes for 2,020 yards, 12 touchdowns and just two interceptions while ranking second in ESPN’s Total Quarterback Rating behind MVP front-runner Tom Brady. Prescott is also rated seventh of 29 qualified passers by the game charters at Pro Football Focus. And while his pre-draft scouting report warned of his tendency to throw to target “rather than leading or throwing them open on short/intermediate throws,” 58.9 percent of his passing yardage has come through the air, the 10th most at the position.

In addition, Prescott showed poise in the pocket against the blitz, increasing his passer rating from 103.5 to 105.8 in those situations. He still has work to do under pressure: his passer rating drops from 122.2 with a clean pocket (second-highest in NFL) to 63.5 against a pass rush.

It also helps that Prescott gets to line up under behind one of the best offensive lines in the NFL.

Through the first nine weeks of the season, the Cowboys offensive line has allowed a sack rate of 4.7 percent after adjusting for down, distance and opponent — and just 63 total sacks, hits and hurries. Only the Packers, Eagles and Saints have provided as good or better pass protection in the NFL.

Four of the Cowboys’ offensive linemen — left tackle Tyron Smith, right guard Zack Martin, left guard Ronald Leary and center Travis Frederick — rank in the top 20 of PFF’s pass-block rating with all but Leary in the top 12 at their respective positions.

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But Elliott, who has rushed for 891 yards this season and has a chance to break Eric Dickerson’s record for most rushing yards by a rookie, benefits from this O-line unit as well.

The Cowboys offensive front only allows the team’s rushers to get stopped at or behind the line of scrimmage 16 percent of the time (sixth in a league where the average is 19 percent), while producing the fourth most adjusted line yards per snap (4.41), which are yards per carry adjusted based on down, distance, situation, opponent and the difference in rushing average between shotgun compared with standard formations.

“What you try to do is you try to create an environment where everybody makes each other better,” Dallas Coach Jason Garrett told Matthew Florjancic of WKYC. “There is no question that our offensive line really helps to make our skill guys better, not only our quarterback, but our tight end, our receivers and our runners. That is where it starts, winning the line of scrimmage.”

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And yet it is still Prescott who provides more total value and more value per play per Football Outsiders’ advanced metrics.

Prescott has accounted for 594 Defense-adjusted Yards Above Replacement (third most total value at the position) along with a Defense-adjusted Value Over Average of 28.8 percent (third most value per play at the position). Elliott, by comparison, has produced 126 DYAR (No. 6 among running backs) and 9.5 percent DVOA (eighth among running backs).

“We’re so dynamic it’s crazy,” Cowboys wide receiver Dez Bryant told reporters on Tuesday. “What’s next from being a dual threat? Anything? Quadruple threat. Turbo quadruple threat. I like that.”

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Bryant has a point. This season only one other team has a quarterback and running back in the top 10 for both DYAR and DVOA, the 6-3 Atlanta Falcons. Last year there were five, two division winners and four playoff teams: Arizona, Seattle, Cincinnati, Pittsburgh and Chicago. There were four qualifying teams in 2014 and all won their division: Pittsburgh, Green bay, Denver and Dallas.