NASCAR Cup rookie Cole Custer wins in upset at Kentucky

Cole Custer (41) celebrates after winning a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Cole Custer, top, celebrates with his crew after winning a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Cole Custer (41) celebrates after winning a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Cole Custer celebrates after winning a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Cole Custer (41) wins a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Kevin Harvick (4) and Martin Truex Jr. (19) run during a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)

Kurt Busch (1) and Cole Custer (41) work during a NASCAR Cup Series auto race Sunday, July 12, 2020, in Sparta, Ky. (AP Photo/Mark Humphrey)