Kyle Busch sets up showdown with Kevin Harvick for the title

Kyle Busch celebrates after winning a NASCAR Cup Series auto race on Sunday, Nov. 11, 2018, in Avondale, Ariz. (AP Photo/Rick Scuteri)

AVONDALE, Ariz. — Kyle Busch won for the eighth time this season to tie Kevin Harvick for the most Cup victories and set up a head-to-head battle for the championship.