Mack, who had 77 tackles, 15 sacks and two forced fumbles, started all 16 games this season.
The 15–1 Carolina Panthers had the most All-Pros with six including quarterback Cam Newton, fullback Mike Tolbert, center Ryan Kalil, linebackers Luke Kuechly and Thomas Davis and cornerback Josh Norman.
The Raiders, New England Patriots, Pittsburgh Steelers, Cincinnati Bengals, Arizona Cardinals and St. Louis Rams each had two selections this season, while the Tampa Bay Buccaneers, Atlanta Falcons, Cleveland Browns, Baltimore Ravens, Denver Broncos, San Francisco 49ers and Kansas City Chiefs each had one.
See the full list of NFL first team All-Pro selections below:
QB: Cam Newton, Panthers
RB: Adrian Peterson, Vikings; Doug Martin, Buccaneers
FB: Mike Tolbert, Panthers
TE: Rob Gronkowski, Patriots
C: Ryan Kalil, Panthers
DE: J.J. Watt, Texans; Khalil Mack, Raiders
K: Stephen Gostkowski, Patriots
P: Johnny Hekker, Rams