knockout

Action shots from Lucas Matthysse's dominating third-round knockout of Lamont Peterson, plus Devon Alexander's seventh-round stoppage of Lee Purdy in Atlantic City, N.J.

With a single overhand left from hell, Javier Fortuna turned out the lights on his overmatched opponent, Miguel Zamudio, and reaffirmed his place in the mix at 126 pounds.

Photographer Naoki Fukuda's shots from Lucas Matthysse's first-round knockout of Mike Dallas Jr. in Las Vegas on Saturday night.

Ace photographer Naoki Fukuda's blood-soaked action shots from middleweight Gennady Golovkin's seventh-round stoppage of Gabriel Rosado.

All the action from the fourth fight in this epic series, ending with Juan Manuel Marquez's sixth-round knockout of Manny Pacquiao.

Action shots from Adrien Broner's impressive display against Antonio DeMarco in his lightweight debut, and heavyweight Johnathon Banks' upset stoppage of Seth Mitchell.

Adrien Broner on his knockout of Antonio DeMarco: "I don't try to knock out people, but I know that I have the ability to press them and get the cheese."

Johnathon Banks on his knockout of Seth Mitchell in the wake of Emanuel Steward's death: "This is dedicated to Emanuel for everything that he did for me since I was 15.  It was very emotional considering what has happened over the past few weeks."

Here, we see the demise of Billy Conn in his first fight against Joe Louis in 1941. Conn was winning until he became overly aggressive and was stopped in the 13th round...

Mike Tyson was a monster at his best, as he proved against then-unbeaten former heavyweight champ Michael Spinks in Atlantic City, N.J., in 1988...

Photographer Naoki Fukuda was on-hand to capture the action during Adrien Broner's fifth-round knockout of Vicente Escobedo in Cincinnati, Ohio.

Danny Garcia wasn't given much of a shot to beat Amir Khan but the underdog from Philadelphia proved too stubborn and hard-punching for the British star who was knocked out in the fourth-round of a thrilling shootut in Las Vegas on Saturday.

Images of Danny Garcia's thrilling knockout victory over Amir Khan to become unified titleholder and RING champion of the junior welterweight division.

Randall Bailey stopped previously unbeaten Mike Jones in the 11th round to win the IBF welterweight title at the MGM Grand Garden Arena.

Photographer Naoki Fukuda's images of RING middleweight champion Sergio Martinez battling Irish challenger Matthew Macklin to an 11th-round stoppage at New York's Madison Square Garden.

Victor Ortiz's heart was in the right place, but his hands were down -- and that made him fair game for Floyd Mayweather's knockout punch.