Patrick Day remains in a coma after underdoing emergency brain surgery following his fight against Charles Conwell on Saturday night.
The American super-welterweight boxer suffered a brutal knockout defeat, on the undercard of Oleksandr Usyk’s heavyweight debut in Chicago.
The 27-year-old was knocked down in the tenth round after two huge punches landed flush on the chin, with Conwell also scoring knockdowns in rounds four and eight.
As soon as his head hit the canvas, the referee instantly waved the fight off and brought paramedics into the ring.
Day was taken out of the ring on a stretcher and rushed to hospital, where he had an operation on his brain.
A statement released by his promoter Lou DiBella on Sunday read: “Patrick Day suffered a traumatic brain injury during his bout on Saturday night.
“He was rushed to Northwestern Memorial hospital where he underwent emergency surgery. As of Sunday evening, Patrick is in a coma caused by the injury and is in extremely critical condition.
“On behalf of Patrick’s team, we appreciate the outpouring of support, prayers, and offers of assistance from all corners of the boxing community.
“Updates will be provided as circumstances change. In the meantime, we ask that the privacy of Patrick and his family be respected during this difficult time.”
Conwell was visibly upset by the incident, as his downed opponent lay motionless on the floor. Despite securing an impressive and dominant victory, 21-year-old Conwell didn’t celebrate, and didn’t look like he was taking his eyes off his beaten opponent.
He was seen being talked to, and barely smiled as the referee raised his arm as MC announcer David Diamante gave a subdued announcement over the knockout.
He later posted a message on Twitter offering his prayers for Day.
The incident happened ahead of Usyk’s heavyweight debut, which ended in a seventh-round victory.
Hearn, who promotes Usyk, also offered his hope of a full recovery for Day.