Stacey McKinley, who is part of the training team to former unified world champion Yuriorkis Gamboa, is predicting a very big upset when his boxer steps in the ring with Gervonta "Tank" Davis on Saturday night.

The Showtime televised fight takes place at the State Farm Arena in Atlanta, as the headline bout of a Premier Boxing Champions event.

Gamboa, an Olympic gold medal winner, has a big edge in experience and plans to use it to his advantage against the younger boxer.

Davis, with 21 knockouts in his 22 fights, has never been beyond the ninth round.

McKinley is well aware of Davis' punching power and wants his boxer to take the 25-year-old star into deep water.

"We know 'Tank' is a big puncher, but experience is going to take its course. He's never been past the ninth round before. And his trainer has never been past the ninth round before. So when you start talking about round 10, round 12, you're in new territory," McKinley said.
 
"It's like Sugar Ray Leonard told Tommy Hearns: 'I'm going to take you out to deep water, and I'm going to drown you.' So this is what we expect to do, take him into deep water and drown him.
 
"Gamboa is very versatile. You've got to watch him real close. I've watched him real close and I've seen him thrown punches that most fighters can't throw. I see technique and I see the change up in the ring. The last few weeks we've changed things up and are using different techniques. He's a great Cuban fighter.
 
"He jumped up two weight classes (to fight Terence Crawford). Terence Crawford is a big guy. You've got a guy like Terence Crawford who says (Gamboa) can punch, then you have to take his word as gospel. What makes (Gamboa) a good puncher is that he knows how to create his shots. He knows where to hit you and he doesn't waste punches. So you get him in the right spot and hit the pressure points, then it's a lot different than just getting hit anywhere and it's more devastating."