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File- This Dec. 16, 2017, file photo shows Kansas City Chiefs quarterback Patrick Mahomes (15) warming up before an NFL football game against the Los Angeles Chargers in Kansas City, Mo. Mahomes, the former Texas Tech star chosen 10th overall in the 2017 draft, spent all season watching and waiting while Alex Smith led the league with a 104.7 passer rating and topped 4,000 yards passing for the first time in his 13th NFL season, and likely his last in Kansas City. Having clinched the middling AFC West again, the Chiefs (9-6) have the luxury of sneaking a peek at their future QB while treating Sunday's game as a bye before the playoffs begin. (AP Photo/Charlie Riedel, File)