Jarrell Miller has apologized after his fight against Anthony Joshua was called off.
He said he "messed up" after a failed drugs test didn't allow him a licence for the bout.
Miller was supposed to meet British IBF, WBA and WBO heavyweight champion Joshua at Madison Square Garden on June 1.
In the video message, Miller said "there were a lot of ways to handle the situation, I handled it wrongly and I'm paying a price for it."
Sabalenka to face Rybakina in blockbuster Miami Open semi-final
Aryna Sabalenka and Elena Rybakina, the two top women's players in the world, will battle it out in a Miami Open semi-final on Thursday after coming through their quarter-final matches.
Final World Cup ticketing phase is first-come, first-served
FIFA announced Wednesday that a fourth and final phase of ticket sales will take place starting at 11:00 AM ET (7:00 PM GST) on April 1 and will remain open through the end of the tournament.
Japan's Sakamoto on pace for fourth world title in Prague
Japan's Kaori Sakamoto has surged into the lead in the women's singles short programme at the world figure skating championships on Wednesday, putting her on course for a fourth world title in the final competitive event of her career.
London Marathon weighs two-day race format from 2027
The London Marathon could be staged as a two-day event from 2027 under new proposals to increase participation numbers, organisers said on Wednesday.
Gauff opens up on impostor syndrome ahead of Miami Open semis
World number four Coco Gauff said she struggles with impostor syndrome after defeating Switzerland's Belinda Bencic to reach the Miami Open semi-finals for the first time.
