The former WWE United States Champion, Claudio Castagnoli (fka Cesaro) opened up after a historic world title win. Claudio recently ended a historic title reign that lasted over three years.At the recent CMLL Viernes Espectacular event, Claudio Castagnoli challenged Gran Guerrero for the CMLL World Heavyweight Championship. Ultimately, Claudio managed to capture the title and end Gran Guerrero's historic world title reign, which had lasted more than three years.Following his CMLL World title win, Claudio Castagnoli took to his Instagram handle to share a picture with the title alongside his Death Riders stablemates, Wheeler Yuta and Daniel Garcia. The erstwhile Cesaro also wrote the following in Spanish in the caption of the post:"CMLL Campeon Mundial de peso complete" View this post on Instagram Instagram PostBefore his CMLL World Heavyweight title win, Claudio had also won the Ring of Honor World title two times in his career. He is currently one of the top stars in All Elite Wrestling as a member of the Death Riders faction.WWE legend has a regret regarding Clausio Castagnoli (fka Cesaro)The WWE legend Mick Foley expressed regret regarding Claudio Castagnoli's run in the Stamford-based promotion as 'Cesaro.' Claudio won multiple titles except the world title during his run in the Sports Entertainment Juggernaut.Earlier this year, on an Instagram post, Mick Foley said he still wishes Claudio had a run as the WWE Champion and compared him to Dory Funk and Jack Briscoe:"SQUARED CIRCLE EXPO! It’s always great to run it to old friends like @claudiocsro - who I still wish would’ve had a run as @WWE champion. He’s a throw back to wrestlers like Jack Briscoe and Dory Funk… champions who could have a good match with just about anybody! …have a nice day!"Meanwhile, Claudio is set for a Continental Classic first-round match against Jon Moxley this Wednesday on AEW Dynamite. It remains to be seen if he could beat Moxley.