Dallas Cowboys linebacker Justin Phillips, left, makes the tackle after Houston Texans wide receiver Chad Hansen, right, made a catch in the second half of a preseason NFL football game in Arlington, Texas, Saturday, Aug. 24, 2019. (AP Photo/Michael Ainsworth)

San Francisco 49ers quarterback Jimmy Garoppolo (10) throws a pass behind offensive guard Mike Person (68) during the first half of an NFL preseason football game against the Kansas City Chiefs in Kansas City, Mo., Saturday, Aug. 24, 2019. (AP Photo/Charlie Riedel)

Dallas Cowboys defensive back Donovan Wilson (37) intercepts a pass intended for Houston Texans wide receiver Chad Hansen (85) in the second half of a preseason NFL football game in Arlington, Texas, Saturday, Aug. 24, 2019. (AP Photo/Ron Jenkins)

Dallas Cowboys running back Mike Weber (40) escapes pressure on a run from Houston Texans defensive tackle Tracy Sprinkle (62) in the second half of a preseason NFL football game in Arlington, Texas, Saturday, Aug. 24, 2019. (AP Photo/Ron Jenkins)

Kansas City Chiefs quarterback Patrick Mahomes (15) throws as San Francisco 49ers defensive tackle Sheldon Day (96) closes in during the first half of an NFL preseason football game in Kansas City, Mo., Saturday, Aug. 24, 2019. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) scrambles away from San Francisco 49ers defensive lineman Damontre Moore (92) and defensive end Solomon Thomas (94) during the first half of an NFL preseason football game in Kansas City, Mo., Saturday, Aug. 24, 2019. (AP Photo/Charlie Riedel)