Errol Spence Jr., a welterweight boxing champion, was injured in a car accident near downtown Dallas early Thursday, but is expected to make a full recovery, a boxing spokesman said.

Spence, 29, was driving a white Ferrari at high speed just before 3 a.m. when the vehicle veered over a median and flipped multiple times, tossing the boxer from the vehicle, the Dallas police said in a statement. He was not wearing a seatbelt.

“Spence is awake and responding and his condition is listed as stable,” Tim Smith, a spokesman for Premier Boxing Champions, which controls many of the sport’s top performers, said in a statement late Thursday.

“He did not sustain any broken bones or fractures, but has some facial lacerations,” Mr. Smith added. “He is expected to make a full recovery.”