Farrell welcomes bonus-point win over 'tough' Welsh
The Irish won 27-17 but the outcome of Friday's match was in the balance throughout a riveting, if error-strewn, contest.
Victory guaranteed the Irish will round off their campaign in a Triple Crown decider at home to Scotland next weekend.
The chance to reclaim the title they won in 2024 may have gone by then should reigning champions France secure a bonus-point win over the Scots in Edinburgh later on Saturday.
Farrell, who made five changes to the starting XV that hammered England 42-21 a fortnight ago...