Ruiz Jr has misplaced two stone because of working with new coach Eddy Reynoso.
The previous heavyweight world champion misplaced his belts simply months after successful them in opposition to Joshua.
Ruiz, who had clearly loved the spoils of changing into the heavyweight king, turned up for his rematch in opposition to Anthony Joshua trying flabby and gradual.
He was unable to get any type of pace or energy behind his punches, and was in the end defeated in a one-sided 12-round beatdown.
Now, nevertheless, he’s set to return to the ring and appears to be a totally new fighter.
Ruiz has misplaced two stone because the Joshua rematch and is trying rather more toned and slimmed down.
He faces off in opposition to Arreola in what shall be his first battle since his 2019 defeat to Joshua.
Talking earlier this week, Ruiz Jr opened up on his new coaching strategies, and expressed he hasn’t simply been ravenous himself with a purpose to shed weight.
He continued by explaining that in his rematch in opposition to Joshua, he was unable to have any type of success because of his weight.
Ruiz stated: “I’ve all the time been chubby and now I’ve been dropping weight usually and in the appropriate approach; by consuming proper, not simply sporting the sauna go well with, ravenous your self.
“That’s what I used to do again within the day.
“However now that we’re consuming the appropriate issues, we’re engaged on the appropriate issues, I really feel wonderful.
“I can do higher stuff that I couldn’t do earlier than due to my massive intestine, I had chi-chis, I had t**s that wouldn’t let me throw the appropriate punches and all that.
“However now I’m extra motivated, I’m extra devoted on this sport and sky’s the restrict.”