The latest advancement in Munster’s rejuvenation has seen skills, defence and kicking trainer Ian Costello accept an offer as Nottingham Rugby’s head coach.   South African Jacques Nienaber is expected to fill the defensive role but Munster face potentially three more departures in the coaching department as Brian Walsh (backs) and Jerry Flannery (scrum) are … More Munster Coaching Staff Latest: Costello Departs and Much More