Celtic fans now know the capacity Jonny Hayes will fill at the club as they close in on two key appointments at Lennoxtown. Previously, we told that the Bhoys were set to be his next destination after he rejected a coaching role at Aberdeen upon confirmation of his retirement from playing. The former Republic of Ireland international made 68 appearances for Celtic, registering two goals and eight assists across all competitions [Transfermarkt]. Over the last few weeks, the Hoops have been looking to fill several vacancies in youth development, including the appointment of a new Under-18’s boss…