Mikey Garcia believes Anthony Joshua’s rematch with Oleksandr Usyk is all his to lose.

The recently retired four-division champion from Oxnard, California recently had a chance to observe London’s Joshua train for his highly anticipated heavyweight title unification rematch with Ukraine’s Usyk on Aug. 20 in Jeddah, Saudi Arabia. Joshua looks to win back the WBO, WBA, and IBF titles he lost to Usyk in their first fight last September at Tottenham Hotspur Stadium in London.

Garcia’s brother, Robert Garcia, is one of the head trainers preparing Joshua. The elder Robert is working in tandem with one of Joshua’s long time seconds, Angel Fernandez.

Mikey Garcia noted that he and his father, the former fighter and trainer Eduardo Garcia, offered Joshua plenty of advice during their time with the heavyweight star.

“My dad and I were watching [Joshua train]…we gave some opinions,” Garcia told Fighthype.com. “[Joshua] was paying close attention to whatever my dad and I had to say, and Robert too. We feel good about the fight.”

Garcia said he believes Joshua has all the tools to defeat Usyk. After the first fight, Joshua was criticized for not being aggressive enough in the right. Uysk, whose canny tactics and hard left hands from the southpaw stance troubled Joshua, won by unanimous decision.

“I feel AJ has everything to win the fight,” Garcia. “Look and analyze each fighter for the kind of fighters that they are. Not to take anything away from Usyk. Usyk did win the first match so it's not like, ‘Oh, f---  it should be an easy fight.’ No.

“But when you look at what he brings to the ring, AJ has everything you need to beat a fighter like Usyk. I think he should win. It should be a good fight.”

Garcia said he is on the fence about attending the rematch, which will be held at Jeddah Superdome.

Garcia, 34, made his retirement “announcement” quietly in June.