Gordon D’Arcy: When Seán O’Brien takes the field, anything seems possible
Aura he brings can inspire those around him to be better players, to exceed expectations
Leinster’s Seán O’Brien in action against Toulouse in the Champions Cup semi-final at the Aviva Stadium. Photograph: Billy Stickland/Inpho
Who will prove the difference at St James’ Park?
I think Seánie O’Brien can be the catalyst for Leinster’s fifth European title but there are so many variables to consider.