Career
He primarily plays at scrum half. O'Donohoe last played professionally for Irish provincial side Connacht, and before that played his native province of Leinster. O'Donohoe has also represented the Ireland U-20's team.
O'Donohoe played for Belvedere College and Clontarf at an under-age level, and he also represented the Leinster Schools team 4 times. Leinster : 2008–09 Connacht In April 2011 it was announced that O'Donohoe had signed for another Irish province, agreeing to join Connacht for the 2011-12 season, in the process linking up with his former Ireland Under-20 coach Eric Elwood, who was now in charge of the western province. O'Donohoe made his debut for Connacht in the 2011–12 Pro12 on 10 September 2011, coming on from the bench against Scarlets, the same team that he had played against on his Leinster debut.
At the start of the following season, both O'Donohoe and Murphy were absent due to injury, meaning Connacht academy scrum-half Kieran Marmion stepped into the role. Marmion played impressively in the absence of the two senior players and went on to start every competitive game the province played that season. In the following season, Marmion continued to be first choice at scrum-half.
O'Donohoe made his first start in over a year on 4 October 2013, in a 2013–14 Pro12 match against Benetton Treviso. O'Donohoe earned his 50th cap for Connacht at senior level on 4 January 2014, in a Pro12 match against his former side Leinster. It was announced in April 2014 that O'Donohoe was among a number of Connacht players to not have their contracts renewed.
He will depart the province at the end of the 2013–14 season, along with a nuber of other players, including Murphy, former Connacht captain Gavin Duffy and experienced fly-half Dan Parks. O'Donohoe represented Ireland at under-age international level. In 2007 O'Donohoe was part of Ireland's 'Grand Slam' winning team in the U-20 Six Nations.
He played in all five games for Ireland. The side was coached by O'Donohoe's future coach at Connacht, Eric Elwood. Ireland Clontarf RFC.