Every Group of Six College Football Playoff contender outside of Harrisonburg, Virginia, was rooting hard for Appalachian State during Thursday night’s Sun Belt showdown.

The Mountaineers squandered a fourth-quarter lead but benefited from a James Madison doinked field goal on the first possession of overtime. James London then converted a 40-yarder to give Appalachian State a 34-31 upset victory over previously unbeaten James Madison.

The Dukes (7-1, 4-1), who were the top challenger to No. 21 Boise State for the Group of Six’s automatic CFP bid, entered the game as 12.5-point favorites over Appalachian State (5-2, 2-1). James Madison reached last year’s CFP but lost head coach Bob Chesney and most of its roster.

Appalachian State’s upset victory was a boon to CFP hopefuls from the Pac-12 , Mountain West and American Conference.

Following the James Madison loss, DraftKings Sportsbook dropped Boise State—the Group of Six’s CFP favorite—from +140 to +122 to make the playoff.…