Ryan Garcia came back from being knocked down to defeat Luke Campbell in the seventh round on Saturday night.
The American was hit by a left hook in the second which saw him go to ground, but he came back from the canvas to comprehensively defeat the Brit.
There had been some doubts over Garcia's ability in adversity, having won with ease in all of his past bouts. However, he answered the critics by winning rounds in the aftermath of going down, before finishing Campbell with a brutal body shot.
Saul 'Canelo' Alvarez, who trains in the same gym, was on the sidelines to watch, and celebrated with the 22-year-old once his victory was confirmed.
Footage has now emerged that shows the Mexican may also have had something to do with the punch that finished the fight on Saturday.
The video shows Canelo teaching his gym-mate his body shot technique, and it certainly seems to have paid off.
The youngster also thanked Canelo post-bout, showing just how much Alvarez has helped him.
Garcia will now look to build his reputation further, with many pointing to him as the future of the sport.
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Speaking to DAZN after his win, he said: "I think I showed a lot of people who I really am. I showed today I am special.
"They wanted to show me as a social media fighter. Anybody who puts you down, remember you're not who people tell you who you are - you are who you choose to be. I chose to be a champion tonight.
"He caught me, I was like, 'I got dropped, this is crazy'. I've never been dropped in my life. I had to adjust. I knew I could beat him, I just had to get back up."
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Meanwhile, 33-year-old Campbell will have to rebuild if he wants to get another shot at a world title.
Topics: Saul Canelo Alvarez, ryan garcia, Luke Campbell, Boxing News, Boxing