By Rich Jones Former Ryder Cup captain Zach Johnson swore at spectators during round two of the Masters as he lost his cool after they cheered a triple bogey. Johnson struggled on the par-three 12th hole, carding a six. Patrons at Augusta National appeared to react sarcastically back up on the tee with cheers when he finally sunk his putt. And Johnson reacted angrily to their behaviour, being heard saying “oh f*** off” in a foul-mouthed outburst caught on the Amen Corner feed of the tournament’s website. Johnson’s triple bogey took him from four-over to seven-over for the tournament, all but e…