Elliott was named the Cowboys' starting running back going into the regular season, ahead of veterans Alfred Morris and Darren McFadden. In the season-opener against the New York Giants, he rushed for 51 yards on 20 attempts and scored his first NFL touchdown on an eight-yard run in the narrow 20-19 loss. In the next game against the Washington Redskins, Elliott had 21 carries for 83 yards and a touchdown but also fumbled twice, losing one of them. The Cowboys prevailed on the road 27-23. During Week 3 against the Chicago Bears, he posted his first game with over a hundred yards and finished the 31-17 victory with 140 rushing yards on 30 carries. In the next game, against the San Francisco 49ers, he had 138 rushing yards and a rushing touchdown in the 24-17 road victory. During Week 5 against the Cincinnati Bengals, Elliott rushed for 134 yards on 15 carries and scored two rushing touchdowns, including a 60-yard touchdown as the Cowboys won 28-14. In the next game against the Green Bay Packers, and Elliott continued his four-game streak with over 100 yards after carrying the ball 28 times for 157 rushing yards in the 30-16 road victory.