He was still playing for Four Masters in 2016, a year in which he helped his club to a 2–17 to 0–4 win with a goal and a point which he scored from a distance of 50 metres.[11]
In 2017, Keaney had multiple surgeries for injuries which brought his playing career to an end.[2]
^ abc"Keaney takes aim at county board". Donegal News. 12 December 2019. p. 79. Ex-Donegal star Luke Keaney has revealed he was shunned by his own county board when it came to medical expenses for a spate of complicated hip surgeries. Speaking on Wednesday morning's Off the Ball AM, Keaney (27) explained that when he underwent a series of operations for what would prove to be career-ending injuries in 2017, he received no support whatsoever from his own county board… In a candid discussion, the Donegal Town native revealed he eventually sought the help of a counsellor… 'I played 10-years, from 15 to 25, for Donegal and you still love it, but it is a bit sour'…
^"Ulster U21 Final Live: Donegal 1–06 v Cavan 0–13". Donegal Now. 10 April 2013. Archived from the original on 20 December 2013. Retrieved 10 April 2013. Ciaran Cannon has been brought on as a blood sub for Luke Keaney… Luke Keaney has come back on for Donegal.