Listen to a special RacedaySA podcast featuring the NASCAR Cup Series Championship 4 Crew Chiefs and Team Competition Directors: Crew chief Paul Wolfe (No. 22 Team Penske Ford); Crew chief Jeremy Bullins (No. 2 Team Penske Ford) and Team Penske competition director Travis Geisler; Crew chief Alan Gustafson (No. 9 Hendrick Motorsports Chevrolet) and Hendrick Motorsports competition director Jeff Andrews; and Crew chief Chris Gabehart (No. 11 Joe Gibbs Racing Toyota) and Joe Gibbs Racing competition director Wally Brown. All audio provided courtesy of NASCAR.
