Portlaoise 21 Mullingar 26 Alan Hartnett A blistering final 20-minute display by Mullingar saw them claim a crucial win in the Leinster League Division 1B relegation battle against Portlaoise on Sunday afternoon. Portlaoise beat Suttonians in Togher last week to give themselves some breathing space but Mullingar’s win today means that it’s now a three-way…