sentences:  Liam Kearns coached Na Piarsaigh to the Limerick U21 Football Championship in 1997, the club's only U21 football county title, a team that contained Declan Lynch (Head of Sports Medicine Bath Rugby), Mike Prendergast (Assistant Coach to Grenoble), Ian Costello (Former Backs Coach to Munster) and captained by Comdt Joe Mullins.Kearns is highly regarded as a manager and coach and during his spell with Limerick he turned them into the second team in Munster as they outshone Cork.He managed the Limerick under 21 side to successive Munster titles and to an All-Ireland Under-21 Football Championship final appearance.