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)

LAS VEGAS, NEVADA - MAY 07: Promoter Keane Anis 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 will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

LAS VEGAS, NEVADA - MAY 07: Promoter Keane Anis looks on 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 will take place on June 27, 2026 in Athens, Greece. (Photo by Candice Ward/Getty Images)

LAS VEGAS, NEVADA - MAY 07: Boxer Floyd Mayweather Jr. (L) and kickboxer Mike Zambidis pose 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)

LAS VEGAS, NEVADA - MAY 07: Boxer Floyd Mayweather Jr. (L) and kickboxer Mike Zambidis pose 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)

LAS VEGAS, NEVADA - MAY 07: Boxer Floyd Mayweather Jr. (L) and kickboxer Mike Zambidis pose 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)