Dallas Cowboys head coach Jason Garrett, center left, walks off the field after of an NFL football game against the Philadelphia Eagles, Sunday, Dec. 22, 2019, in Philadelphia (AP Photo/Chris Szagola)

Dallas Cowboys head coach Jason Garrett watches from the sidelines in the first quarter of an NFL football game against the Los Angeles Rams in Arlington, Texas, Sunday, Dec. 15, 2019. (AP Photo/Roger Steinman)

Dallas Cowboys head coach Jason Garrett speaks during a news conference following an NFL football game against the Los Angeles Rams in Arlington, Texas, Sunday, Dec. 15, 2019. (AP Photo/Ron Jenkins)