Darrell "Bubba" Wallace Jr., the only African American driver in NASCAR's top series, called on the stock car racing association to ban Confederate flags at its events.
It starts with confederate flags," Wallace told CNN's Don Lemon on Monday.
Wallace wore a black T-shirt with the words "I Can’t Breathe/Black Lives Matter" to Sunday’s race at Atlanta Motor Speedway to acknowledge the country's social unrest.
NASCAR, which once embraced Confederate symbols and has roots in the South, has a checkered racial history.
NASCAR began asking fans to stop bringing Confederate flags to races in 2015, after Dylann Roof killed nine black churchgoers in Charleston, South Carolina.
Wallace told CNN that in the past, he had not been bothered by the flag.
"We have to change that, and I encourage NASCAR to have those conversations to remove those flags. »