Darrell Wallace Jr.
From Pixar Cars Wiki
Darrell Wallace Jr. (born October 8, 1993), also known as Bubba Wallace, is an American professional stock car racing driver. He currently competes full time in the Monster Energy NASCAR Cup Series driving the No 43 Chevy Camaro ZL1 for Richard Petty Motorsports.
He is set to voice Bubba Wheelhouse in Cars 3.