[14][15] After Swaim was lost to an injury in Week 11, rookie Dalton Schultz passed Jarwin on the depth chart as the starter and was used mostly for blocking purposes.

In the regular-season finale against the New York Giants, Jarwin had the best game of his career, catching seven passes for 119 yards and three touchdowns in a narrow 36–35 road victory.

[16] Jarwin became the sixth tight end in franchise history to post a 100-yard receiving game and was named the National Football Conference Offensive Player of the Week for his spectacular performance.

[17] Jarwin was named the starter for four games when the Cowboys used multiple tight end sets, finishing his second professional season with 27 receptions for 307 yards and three touchdowns.

[21] The following day, it was announced in the media that Witten would be leaving the Cowboys to sign with the Las Vegas Raiders, making Jarwin the starter at tight end.

[22] During the season opener against the Los Angeles Rams, Jarwin recorded a 12-yard reception in the first half before leaving the eventual 20-17 road loss with a knee injury.

[23] The next day, it was announced that he would be out for the season to undergo anterior cruciate ligament (ACL) surgery and was placed on injured reserve on September 15.