How did Munster stun O’Gara’s La Rochelle?

The weekend’s rugby action brought a result to remember for Munster in their first competitive outing against La Rochelle, coached by their former outhalf Ronan O’Gara. With wins elsewhere for Leinster and Connacht, plus a valiant defeat for Ulster, John O’Sullivan and Gordon D’Arcy join Nathan Johns to pick through the weekend’s action. How did Munster pull off the upset in France? Is this another peak for the provi