Gervonta Davis celebrates after defeating Ryan Garcia in Las Vegas. AP

Gervonta Davis stands over Ryan Garcia after sending Garcia to the canvas with a body shot. Getty

Gervonta Davis begins to celebrate as referee Thomas Taylor waves off the fight when Ryan Garca fails to beat the count. Getty

Gervonta Davis celebrates his victory against Ryan Garcia. AFP

Gervonta Davis lands a body shot on Ryan Garcia. AFP

Referee Thomas Taylor counts out Ryan Garcia, who was knocked down by Gervonta Davis. AP

Ryan Garcia and Gervonta Davis during their catchweight bout at T-Mobile Arena in Las Vegas, Nevada. Getty Images

Ryan Garcia punches Gervonta Davis during their catchweight bout at T-Mobile Arena. Getty Images

Gervonta Davis throws a left punch at Ryan Garcia during their catchweight bout at T-Mobile Arena. Getty Images

Gervonta Davis knocks Ryan Garcia down in the second round during their catchweight bout at T-Mobile Arena. Getty Images

Floyd Mayweather Jr shouts his support for Gervonta Davis. Getty Images

Gervonta Davis celebrates after defeating Ryan Garcia. AP

Ryan Garcia crouches to avoid punches from Gervonta Davis during their catchweight bout at T-Mobile Arena. Getty Images