LAS VEGAS, NEVADA - MAY 07: Promoter Keane Anis (L), boxer Floyd Mayweather Jr., host Hazel-E, kickboxer Mike Zambidis and representative of Zambidis Club Tonia Fouseki speak during a news conference to announce an upcoming full-contact exhibition match between Floyd Mayweather Jr. and Mike Zambidis at the Mayweather Boxing Club on May 07, 2026 in Las Vegas, Nevada. The match between Mayweather Jr. and Zambidis will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

LAS VEGAS, NEVADA - MAY 07: Representative of Zambidis Club Tonia Fouseki speaks during a news conference to announce an upcoming full-contact exhibition match between Floyd Mayweather Jr. and Mike Zambidis at the Mayweather Boxing Club on May 07, 2026 in Las Vegas, Nevada. The match between Mayweather Jr. and Zambidis will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

LAS VEGAS, NEVADA - MAY 07: Kickboxer Mike Zambidis (L) shakes hands with boxer Floyd Mayweather Jr. during a news conference to announce their upcoming full-contact exhibition match at the Mayweather Boxing Club on May 07, 2026 in Las Vegas, Nevada. The match between Mayweather Jr. and Zambidis will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

Carabobo's forward #19 Loureins Martinez and River Plate's defender #20 German Pezzella fight for the ball during the Copa Sudamericana group stage football match between Venezuela's Carabobo FC and Argentina's River Plate at the Misael Delgado stadium in Valencia, Carabobo state, Venezuela on May 7, 2026. (Photo by Federico PARRA / AFP via Getty Images)

River Plate players pose for a picture before the start of the Copa Sudamericana group stage football match between Venezuela's Carabobo FC and Argentina's River Plate at the Misael Delgado stadium in Valencia, Carabobo state, Venezuela on May 7, 2026. (Photo by Federico PARRA / AFP via Getty Images)

Carabobo players pose for a picture before the start of the Copa Sudamericana group stage football match between Venezuela's Carabobo FC and Argentina's River Plate at the Misael Delgado stadium in Valencia, Carabobo state, Venezuela on May 7, 2026. (Photo by Federico PARRA / AFP via Getty Images)

LAS VEGAS, NEVADA - MAY 07: Promoter Keane Anis (L) and boxer Floyd Mayweather Jr. speak during a news conference to announce an upcoming full-contact exhibition match against kickboxer Mike Zambidis at the Mayweather Boxing Club on May 07, 2026 in Las Vegas, Nevada. The match between Mayweather Jr. and Zambidis will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

LAS VEGAS, NEVADA - MAY 07: Promoter Keane Anis (L) and boxer Floyd Mayweather Jr. speak during a news conference to announce an upcoming full-contact exhibition match against kickboxer Mike Zambidis at the Mayweather Boxing Club on May 07, 2026 in Las Vegas, Nevada. The match between Mayweather Jr. and Zambidis will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)