Andy Ruiz Jr has put his impressive leg muscles on display as he continues to prepare for his comeback fight against Chris Arreola on April 24.

The former heavyweight champion shocked the world when he knocked out Anthony Joshua to claim the WBA, IBF and WBO belts in June 2019.

However, he weighed in more than a stone heavier for their immediate rematch in Saudi Arabia after six months of partying and poor preparation.

As a result, he was outboxed by Joshua, lost his belts and has not fought since.

Now though, he has joined up with Canelo Alvarez’s trainer Eddy Reynoso and shown off his weight loss.

In addition to this, it appears he has been developing his quad muscles in his legs.

Reynoso told Behind The Gloves: “It’s about 20lbs. And he also has more muscle.

“He’s not as fat as he was before. He can move his hips a lot better and that helps him move around in the ring…

“He’s working really hard.

“He’s trying to fight in April, but it’s not confirmed yet.

“The change has helped, coming into this camp. We know that he can do well and I can assure you he will be world champion again.“

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