Five years ago this week, Katie Walsh took Relegate (Ire) from going nowhere to the Cheltenham Festival winner's enclosure when galvanising the mare to come from last to first to take the Champion Bumper in pulsating fashion. Little did we know at the time, but that Cheltenham success was to be Walsh's last, as she bowed out on a winner at her beloved Punchestown Festival the following month. A lot has changed in those five years since. Along with her husband Ross O'Sullivan, a prominent trainer in his own right...