Ahead of his fight at ONE: COLLISION COURSE, take a behind-the-scenes look at Cambodian superstar Chan Rothana’s intense workout regimen with dedicated trainers Rolando Rodriquez and Lorenzo Lanzafame – proudly presented by Cellcard! Plus, gear yourself up for Rothana’s showdown with Chinese sensation Xie Wei by taking a special look back at his all-action clash against Gustavo Balart!

How to watch: http://bit.ly/HowToWatchCollisionCourse

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