Soccer – Scottish Premier League – Celtic Press Conference – Celtic Park…Ronny Deila is unveiled as the new Celtic manager during a photocall at Celtic Park, Glasgow. PRESS ASSOCIATION Photo. Picture date: Friday June 6, 2014. Celtic have confirmed the appointment of Ronny Deila as the club’s new manager on a 12-month rolling contract. See PA story SOCCER Celtic. Photo credit should read: Danny Lawson/PA Wire. EDITORIAL USE ONLY