The 33 year old who was born in Canada and moved to Belfast at the age of seven, shared his thoughts on the memorable UEFA Euro2016 qualifying campaign.
Mannus said: ''I didn't think we'd do it in my lifetime. We always got close but not had that little bit extra. Obviously in the last campaign it didn't go brilliantly for us and it's difficult for a country the size of ours. For them to do it this campaign, it's an amazing acheivement.''
Hear about his move to Northern Ireland and how he also didn't feel like he'd ever get the chance to play professionally below: