The team released Tuesday was selected by 16 members of the AP Top 25 voting panel.
Mayfield leads the nation in passer efficiency rating (207.33) and completion percentage (72.7) for the ninth-ranked Sooners. He is joined on the first team by Oklahoma teammates Orlando Brown, Mayfield's left tackle, and linebacker Ogbonnia Okoronkwo.
Love leads the nation in rushing and is averaging 10.27 yards per carry for No. 22 Stanford. Barkley is second behind Love in yards from scrimmage at 174 yards per game for the second-ranked Nittany Lions.
Alabama is represented on the first team by safety Minkah Fitzpatrick, who was an All-American in 2016, and cornerback Levi Wallace, a former walk-on who has emerged as a lockdown defender.
Quarterback: Baker Mayfield, senior, Oklahoma.
Running backs: Bryce Love, junior, Stanford; Saquon Barkley, junior, Penn State.
Tackles: Orlando Brown, junior, Oklahoma; David Edwards, sophomore, Wisconsin.
Guards: Quenton Nelson, senior, Notre Dame; Cody O'Connell, senior, Washington State.
Center: Billy Price, senior, Ohio State.
Tight end: Jaylen Samuels, senior, NC State.
Receivers: James Washington, senior, Oklahoma State;David Sills V, junior, West Virginia.
All-purpose player: Dante Pettis, junior, Washington.
Kicker: Matt Gay, junior, Utah.
Ends: Bradley Chubb, senior, NC State; Austin Bryant, junior, Clemson.
Tackles:Hercules Mata'afa, junior, Washington State; Maurice Hurst, senior, Michigan.
Linebackers: Roquan Smith, junior, Georgia; Josey Jewell, senior, Iowa;Ogbonnia Okoronkwo, senior, Oklahoma.
Cornerbacks: Jalen Davis, senior, Utah State; Levi Wallace, senior, Alabama.
Safeties: Minkah Fitzpatrick, junior, Alabama; DeShon Elliott, junior, Texas.
Punter: Johnny Townsend, senior, Florida.
Quarterback: Mason Rudolph, senior, Oklahoma State.
Running backs: Rashaad Penny, senior, San Diego State; Jonathan Taylor, freshman, Wisconsin.
Tackles: Mike McGlinchey, senior, Notre Dame; Jonah Williams, sophomore, Alabama.
Guards: Will Hernandez, senior, UTEP; Braden Smith, senior, Auburn.
Center: Bradley Bozeman, senior, Alabama.
Tight end:Mark Andrews, junior, Oklahoma.
Receivers: Michael Gallup, senior, Colorado State; Steve Ishmael, senior, Syracuse.
All-purpose player: Nyheim Hines, junior, NC State.
Kicker: Emilio Nadelman, senior, South Florida.
Ends: Christian Rector, sophomore, Southern California; Sutton Smith, sophomore, Northern Illinois.
Tackles: Ed Oliver, sophomore, Houston; Da'Ron Payne, junior, Alabama.
Linebackers: Dorian O'Daniel, senior, Clemson; Josh Allen, junior, Kentucky; Micah Kiser, senior, Virginia.
Cornerbacks: Carlton Davis, junior, Auburn; Denzel Ward, junior, Ohio State.
Safeties: Derwin James, junior, Florida State; Justin Reid, junior, Stanford.
Punter: Michael Dickson, junior, Texas.
College football's best from the first half
Alabama continues to roll at the top of the polls, two RBs are the Heisman favorites in Saquon Barkley and Bryce Love. And there's been upset after upset, including four from teams ranked in the AP Top 10. Take a look at the sights and sounds thus far.