On 13 August 2016, it was confirmed that Fennelly would miss the 2016 All-Ireland final after he ruptured his achilles tendon in the semi-final replay victory over Waterford [REF].
After a two-year hiatus and a period of uncertainty surrounding the competition, the Railway Cup returned in 2012 with Fennelly starting at midfield as Leinster faced Connacht in the decider.