Sean Strickland is already causing headaches for Dana White in Australia ahead of Saturday's clash against Israel Adesanya. The middleweight title challenger found himself in a physical altercation with a fan mere hours after touching down in Sydney for UFC 293. 4 Strickland is days away from the biggest fight of his life Credit: UFC 4 The American (right) fights Adesanya for the middleweight title on Saturday Credit: Getty According to Strickland, a fan approached him on Sunday near Bondi Beach, and boldly predicted, “Izzy is gunna f*** you up,’ and the American responded by punching him in the stomach....