Stuart McCloskey has transformed from a peripheral figure to a Ireland linchpin during the Six Nations. The 33-year-old centre's defensive heroics, notably a last-ditch tackle on Marcus Smith, were pivotal in the 42-21 win over England at Twickenham. This performance caps a remarkable turnaround after years spent largely on the international sidelines.

His early Ireland career stalled under coach Joe Schmidt, who favored Bundee Aki and Robbie Henshaw, granting McCloskey only three caps between 2016 and 2019. A change in management with Andy Farrell's arrival offered a fresh start, but injuries and Aki's world-class form during the 2023 World Cup cycle again limited his opportunities. McCloskey often served as the 24th man, waiting for his chance.

The suspension of Bundee Aki for the first three matches finally opened the door. McCloskey grasped it firmly against England, showcasing his power and work rate. That decisive tackle on Smith, which went viral, stemmed from a Farrell training reminder about relentless effort. It represents vindication for years of slogging it out in the Irish system.

With Aki now back in the squad for Friday's game against Wales, selection is a genuine dilemma. On current form and his recent impact, McCloskey has made an overwhelming case to retain the 12 jersey. He is acutely aware of his age and the fleeting nature of such runs, focusing solely on enjoying his sustained place in the team.