Don’t rule out the possibility Munster and Ulster will upset calculations when it comes to this weekend’s RaboDirect Pro12 semi-finals in Glasgow and Dublin.

Sport can bring out the best in people but, as anyone who has seen how out-of-control spectators, competitors or drug cheats can corrupt the most beautiful and honest endeavour will realise, it can show us at our very worst too.

GAA Congress doesn’t exactly get pulses racing, but this weekend’s gathering in Derry is arguably the most important since 2005 when delegates voted to give Central Council the power to make Croke Park available for international rugby and soccer games.

Former Ulster chairman Micheál Greenan claims the GAA has prostituted itself by giving consideration to make more stadiums available to another sport.