Chiefs' resurgent defense has them back on top of AFC West

Kansas City Chiefs cornerback L'Jarius Sneed (38) runs the ball after catching an interception late in the second half of an NFL football game against the Dallas Cowboys, Sunday, Nov. 21, 2021, in Kansas City, Mo. The Chiefs won 19-9. (AP Photo/Charlie Riedel)

Kansas City Chiefs linebacker Willie Gay celebrates with fans following a 19-9 victory over the Dallas Cowboys in an NFL football game Sunday, Nov. 21, 2021, in Kansas City, Mo. (AP Photo/Ed Zurga)

Kansas City Chiefs cornerback L'Jarius Sneed, right, celebrates with teammates after catching an interception late in the second half of an NFL football game against the Dallas Cowboys, Sunday, Nov. 21, 2021, in Kansas City, Mo. The Chiefs won 19-9. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes, left, runs before being sacked by Dallas Cowboys linebacker Micah Parsons (11) during the second half of an NFL football game Sunday, Nov. 21, 2021, in Kansas City, Mo. (AP Photo/Ed Zurga)

Kansas City Chiefs defensive tackle Chris Jones celebrates a 19-9 victory over the Dallas Cowboys in an NFL football game Sunday, Nov. 21, 2021, in Kansas City, Mo. (AP Photo/Ed Zurga)