The St Johnstone keeper started his career with Linfield, who he supported as a boy, before moving to Shamrock Rovers with Michael O'Neill to the SPL where he now plys his trade.
Mannus said: ''When I see some of the younger guys here with the youth team, maybe they take it for granted. I have said to them a few times that not everyone gets these sorts of opportunities, they got everything they need. When I was their age, I was training once a week.''
To hear more about his playing days for his childhood club and Shamrock Rovers, watch below: