Peter O'Mahony has hailed Johnny Sexton for "changing rugby for the better" as the Munster skipper prepares for what he describes as the biggest game of his Ireland career.
O'Mahony and Sexton have soldiered together at Test level for over a decade.
And, with the latter leading Ireland out in his last ever Six Nations game on Saturday, the Corkman paid a massive tribute to his colleague, the former World player of the year who is still one of the best players in the sport at the age of 37.
