Cole Custer had all the makings for a successful defense of his NASCAR Xfinity Series championship from a year ago, leading the title-eligible quartet until Justin Allgaier’s late-race surge. Austin Hill also seemed to have a potential upper hand,

Defending NASCAR Xfinity Series champ Cole Custer joins ‘Sports Nation Nightly’ ahead of the Championship 4. He and Joe talk about what it takes to win, the hard work put in behind the scenes, and dealing with a heated rival.

Custer is looking to repeat as Xfinity Series champion, while the other three drivers could earn their first Xfinity Series title on Saturday. PRACTICE INCIDENT: Justin Allgaier involved in NASCAR Xfinity practice crash ahead of championship race Streaming: FUBO (free trial available;