Australian grappling icon Lachlan Giles can’t wait to suit up for his first match in the world’s largest martial arts organization.The 39-year-old will make his highly anticipated ONE Championship debut this weekend when he takes on Brazilian legend Marcelo Garcia in a lightweight submission grappling contest at ONE Fight Night 38: Andrade vs. Baatarkhuu on Prime Video. View this post on Instagram Instagram PostGiles recently caught up with the promotion and bared his game plan. But he also says he wants to showcase more of his game that fans have yet to see.The Australian veteran said:“Obviously, leg locks, if I can get them. If I get the chance off a leg entanglement, I want to come up and try to pass as well. Everyone who follows me sort of knows me just as a guard player. I want to show I can do more than that.”The Giles versus Garcia showdown represents a jiu-jitsu match that fans of grappling have long waited to see, and offers a unique clash of grappling styles.ONE Fight Night 38: Andrade vs. Baatarkhuu on Prime Video will go down live in U.S. primetime on Friday, December 5, and will take place at Lumpinee Stadium in Bangkok, Thailand. North American fans can watch the event free of charge with Amazon Prime Video.Lachlan Giles did his homework on Marcelo GarciaLachlan Giles is coming into his showdown with Marcelo Garcia at ONE Fight Night 38: Andrade vs. Baatarkhuu on Prime Video full of confidence, having studied the Brazilian’s game extensively over the years.He told The FloGrappling Show in an interview:“I spent probably seven or eight years trying to be some version of Marcelo's game. I was on MGinAction (Marcelo Garcia’s virtual academy), watching his instructionals, watching rolling footage, just trying to emulate as much of his game as possible. I have a pretty good understanding of what to expect from him.”Check back with Sportskeeda MMA for more news on Lachlan Giles.