Kansas City Chiefs quarterback Patrick Mahomes (15) throws a pass as he runs away from San Francisco 49ers defensive lineman Sheldon Day (96) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Patrick Mahomes (15) reacts after a touchdown by running back Kareem Hunt during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs running back Kareem Hunt, right, celebrates a touchdown past San Francisco 49ers defensive back Adrian Colbert during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) looks for a receiver during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) talks to running back Kareem Hunt (27) during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs running back Kareem Hunt (27) celebrates a touchdown with fans during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs fullback Anthony Sherman (42) runs against a tackle by San Francisco 49ers linebackers Malcolm Smith (51) and Fred Warner (48) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs running back Kareem Hunt (27) celebrates a touchdown with fans during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018.

Kansas City Chiefs running back Kareem Hunt, right, celebrates a touchdown past San Francisco 49ers defensive back Adrian Colbert during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018.

Kansas City Chiefs wide receiver Tyreek Hill (10) makes a catch against San Francisco 49ers defensive back Adrian Colbert (27) as 49ers cornerback Richard Sherman (25)] watches during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs wide receiver Sammy Watkins (14) carries the ball past San Francisco 49ers defensive back Adrian Colbert, bottom, during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs wide receiver Tyreek Hill (10) makes a catch over San Francisco 49ers defensive backs Jimmie Ward (20) and Adrian Colbert (27) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) scrambles away from San Francisco 49ers defensive lineman DeForest Buckner (99) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) reacts to his second touchdown pass against the San Francisco 49ers in an NFL football game, in Kansas City, Mo, Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Patrick Mahomes (15) throws during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Jimmy Garoppolo (10) carries the ball during the first half of an NFL football game against the Kansas City Chiefs in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) reacts to his second touchdown pass against the San Francisco 49ers in an NFL football game, in Kansas City, Sunday, Sept. 23, 2018. Mahomes' touchdowns surpass Peyton Manning for the most pass touchdowns by a quarterback in his team's first three games of the season in NFL history. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) reacts to his second touchdown pass against the San Francisco 49ers in an NFL football game, in Kansas City, Sunday, Sept. 23, 2018. Mahomes has set the NFL record for touchdown passes through three weeks. He has 13 TD passes this season. Peyton Manning had the record of 12 set in 2013. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) carries the ball during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) runs away from San Francisco 49ers defensive lineman Cassius Marsh (54) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs running back Damien Williams (26) runs away from a tackle by San Francisco 49ers defensive back D.J. Reed Jr. (32) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Patrick Mahomes (15) prepares to throw his third touchdown pass of an NFL football game during the first half against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. With the pass, Mahomes has set the NFL record for touchdown passes through three weeks. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Patrick Mahomes (15) runs away from San Francisco 49ers defensive lineman Cassius Marsh (54) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Ed Zurga)

San Francisco 49ers wide receiver Marquise Goodwin (11) runs for a touchdown during the first half of an NFL football game against the Kansas City Chiefs in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) celebrates after his third touchdown pass of the game during the first half of an NFL football game against the San Francisco 49ers in Kansas City, Mo., Sunday, Sept. 23, 2018. Mahomes' TDs surpass Peyton Manning for the most pass TDs by a quarterback in his team's first three games of the season in NFL history. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Jimmy Garoppolo (10) prepares to throw a touchdown pass to wide receiver Marquise Goodwin during the first half of an NFL football game against the Kansas City Chiefs in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

San Francisco 49ers running back Matt Breida (22) carries the ball as Kansas City Chiefs linebacker Terrance Smith (48) pursues during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

San Francisco 49ers fullback Kyle Juszczyk (44) runs with the ball ahead of Kansas City Chiefs linebacker Breeland Speaks (57) during the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Jimmy Garoppolo (10) fakes a handoff to running back Matt Breida (22) during the first half of an NFL football game against the Kansas City Chiefs in Kansas City, Mo., Sunday, Sept. 23, 2018. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) celebrates as he comes off the field after an NFL football game against the San Francisco 49ers Sunday, Sept. 23, 2018, in Kansas City, Mo. The Chiefs won 38-27. (AP Photo/Charlie Riedel)