Unified welterweight world titlist Errol Spence Jr. was in stable condition Thursday evening at a Dallas hospital after being involved in a serious one-car accident.

"Spence is awake and responding and is listed in stable condition," his representatives said in a statement. "He didn't sustain any broken bones or fractures but does have some facial lacerations. He is expected to make a full recovery."

The crash happened just before 3 a.m. Thursday, when Spence's Ferrari crossed a median into oncoming traffic and flipped over several times, ejecting Spence, who wasn't wearing a seatbelt, police said. Spence was taken to a hospital and placed in the intensive care unit.

"He is currently resting with his family by his side," his representatives said. "They want to thank everyone for their prayers and well wishes and are extremely grateful to the Dallas first responders who rushed to the scene to attend to Errol after the accident and the doctors who are taking care of him at the hospital."

Police said they're still investigating the cause of the crash, but they noted the Ferrari was speeding at the time.

Last month, the 2012 U.S. Olympian added the WBC welterweight title to his IBF strap with a thrilling split-decision victory over Shawn Porter in Los Angeles.

With his rangy athleticism and virtuosic skill, Spence, who is 26-0 with 21 knockouts, has attracted fans with a series of crisp victories in recent years. He won the IBF title in 2017 by stopping Kell Brook in England, and he defended it three times, culminating in a one-sided thrashing of undersized Mikey Garcia in March.

Spence, 29, of DeSoto, Texas, a Dallas suburb, emerged victorious from his bout with the veteran brawler Porter (30-3-1), which featured several wild exchanges and had the Staples Center crowd of 16,702 on its feet throughout the 12th round and roaring for both fighters when they embraced after the final bell.

Heading into the fight in which he was a heavy favorite, Spence had a lot of attractive options ahead, including a possible fight with the resurgent Manny Pacquiao and a potential bout with fellow unbeaten champion Terence Crawford after that.

ESPN's Dan Rafael and The Associated Press contributed to this report.