Oklahoma quarterback Baker Mayfield has won the Heisman Trophy, completing a climb from walk-on to one of the most accomplished players in the history of college football.

The brash, flag-planting Sooners star won a lopsided vote to become the sixth Oklahoma player to the win Heisman.

Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield pose with the trophy Saturday, Dec. 9, 2017, before the final selection in New York. (AP Photo/Craig Ruttle)

Oklahoma quarterback Baker Mayfield, a Heisman Trophy finalist, takes a question Saturday, Dec. 9, 2017, in New York. (AP Photo/Craig Ruttle)

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From left, Heisman Trophy finalists Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield take questions before the announcement of the final selection Saturday, Dec. 9, 2017, in New York. (AP Photo/Craig Ruttle)

Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield take questions during a media event prior to the announcement of the final selection Saturday, Dec. 9, 2017, in New York. (AP Photo/Craig Ruttle)

Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield take questions during a media event prior to the announcement of the final selection Saturday, Dec. 9, 2017, in New York. (AP Photo/Craig Ruttle)



Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield look at the trophy during a media event Saturday, Dec. 9, 2017, before the final selection in New York. (AP Photo/Craig Ruttle)

Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield pose for photos Saturday, Dec. 9, 2017, before the final selection in New York. (AP Photo/Craig Ruttle)

Heisman Trophy finalists, from left, Louisville quarterback Lamar Jackson, Stanford running back Bryce Love and Oklahoma quarterback Baker Mayfield pose for photos Saturday, Dec. 9, 2017, before the final selection in New York. (AP Photo/Craig Ruttle)

Stanford running back Bryce Love was the runner-up, making it five second-place finishes for the Cardinal since 2009. Louisville quarterback Lamar Jackson, last year’s Heisman winner, was third, the best finish by a returning winner since Tim Tebow of Florida in 2008.

Mayfield is the third player to win the Heisman heading to the College Football Playoff. The second-ranked Sooners meet No. 3 Georgia in the Rose Bowl on Jan. 1. He is the first senior to win the award since Troy Smith of Ohio State in 2006.