Actor Arun Vijay's recent release Thadam was a blockbuster hit and he's been preparing for his upcoming film, Boxer. He has been undergoing mixed martial arts training at the Lienphong training center, Vietnam. Any guesses on who the actor's trainer is? It is none other than the popular actor Johnny Tri-Nguyen, who played Dong Lee in A. R. Murugadoss' historical fiction movie, 7am Arivu, starring Suriya and Shruti Haasan in the lead roles. Take a look at Arun Vijay's tweet below:

7am Arivu is his Tamil debut, and his character in the film, Dong Lee was well received by the audience and he had also starred in the Atharva, Priya Anand starrer Irumbu Kuthirai. Johnny Tri-Nguyen played one of the antagonists in films like Tony Jaa's Tom Yum Goong and in Jet Li starrer Cradle 2 the grave.

Arun Vijay's Boxer is directed by Vivek and the actor is paired opposite Ritika Singh for this film and will be seen playing a sports journalist in the film.