Oluwasegun Olanrewaju, a 40-year-old Nigerian boxer, lost consciousness and later died in the middle of a fight on March 29. He was known as 'Success' in the boxing community.

Jeanette Zacarias Zapata, an 18-year-old boxer from Mexico, died five days after being knocked unconscious during a fight in Montreal. Radio-Canada’s investigative program Enquête found pre-fight medical reports that were either fake or grossly misrepresented the young boxer’s concussion history.

A professional boxer from Nigeria died in Ghana over the weekend after suddenly collapsing mid-fight, officials said.