Australian BJJ icon Lachlan Giles can’t wait to step inside the ONE Championship ring for the first time to face an absolute legend in his debut in the world’s largest martial arts organization.The 39-year-old veteran grappler is set to face a man many consider to be the greatest of all time in Brazil’s Marcelo Garcia.The pair of BJJ greats will square off in a submission grappling match at ONE Fight Night 38: Andrade vs. Baatarkhuu on Prime Video. View this post on Instagram Instagram PostThe event goes down from the iconic Lumpinee Stadium in Bangkok, Thailand, and will broadcast live in U.S. primetime on Friday, Dec. 5.North American audiences can catch the event for free on Amazon Prime Video.In a guest appearance on The FloGrappling Show, Giles talked about facing Garcia and how the offer from ONE that was simply too good to pass up.The Australian said:“I watched his last match on ONE. I'd seen comments online that people thought it would be an interesting matchup with me and Marcelo. I thought that would be interesting, but I wasn't sure whether it would be something I'd want to come out of retirement for.”Giles is ready to take on one of the best to ever do it in Garcia, and he’s confident he can get the job done against his esteemed opponent.Lachlan Giles came out of retirement to face legendary Marcelo Garcia at ONE Fight Night 38 on Prime VideoLachlan Giles admits that he was happily retired before the opportunity of a lifetime fell on his lap. Giles was offered to face Marcelo Garcia at ONE Fight Night 38 on Prime Video, and he knew he had to get up for this one.The 39-year-old veteran says that for now, it’s just a one-off and that he simply had to face Garcia because of the sheer magnitude of their match.Giles told The FloGrappling Show:“Once I got the offer, I had to decide whether I actually wanted to come out of retirement. Here we are, just for one match.”Check back with Sportskeeda MMA for all the updates on this epic legends battle.