Johnny Sexton ensures Ireland gain revenge on Australia to level series

• Australia 21-26 Ireland• Sexton kicks 16 points as Ireland taste victory in MelbourneIreland’s summer series in Australia will come down to a winner-takes-all finale in Sydney next week after the tourists secured a first away win in Australia in exactly 39 years.With big hitters like Johnny Sexton and Tadhg Furlong back in the starting XV following the 18-9 first Test reversal, Joe Schmidt’s Six Nations champions produced some of their best rugby of the season as they overpowered the Wallabies at the breakdown, where captain Peter O’Mahony was immense. Related: Australia 21-26 Ireland: rugby…