Martin Truex Jr.'s 2018 playoff frustrations peaked after repeated on-track clashes, testing his patience and racing ethics.

The NASCAR Cup Series hits Indianapolis Motor Speedway for the Brickyard 400, which also serves as the final round of the in-season challenge.

Bubba Wallace was held up as an example for Joey Logano of the situation with tires early on in the Brickyard 400 at ...