 Greencastle St. Patrick's made the drop back down to the Intermediate ranks when finishing bottom of the 2017 S.F.L.They were followed by Strabane Sigersons who lost their S.F.L.Relegation Playoff to Urney St. Columba's, who in turn then lost their SFL/IFL Promotion/Relegation Playoff to Aghyaran St. Davog's.