Love and loyalty is easy when your team is winning

As if Munster don't have enough to be concerned about ahead of tomorrow's game at Leicester Tigers, their fans have been getting it in the neck this week after a vocal minority ironically cheered Ian Keatley's substitution last weekend. Can we all just get a grip for a moment please? How did a small section of fans think it was fair game to publicly humiliate a player coming off the pitch?