Watch The Rock begin MMA training for Mark Kerr biopic ‘The Smashing Machine’

Instagram, The Rock Dwayne “The Rock” Johnson has begun his transformation into Mark Kerr.
Fresh off another blockbuster run with WWE, the 52-year-old superstar posted video Sunday of the first stages of his MMA training as he begins preparations to play Kerr in the upcoming biopic The Smashing Machine.
Watch footage of Johnson below.View this post on InstagramA post shared by Dwayne Johnson (@therock)
Day 1.MMA training camp.Preparing for “Smashing Machine”I’m lear