Updated: Thursday, 06 Feb 2014 13:06 | Comments Rob Penney (l) and Simon Mannix (r) both leaving Munster Munster have confirmed that head coach Rob Penney is to leave his post at the end of the season. Backs coach Simon Mannix will also be leaving at the end of the season. New Zealander Penney, who initially negotiated a two year contract with the option for a third year, has opted to decline the extension offer.  It has been suggested that Penney has chosen to take up a coaching offer in Japan. Munster currently top of the RaboDirect PRO12 league and are through to quarter final stage of the Heineken Cup. Penney said "I am disappointed to be leaving Munster as I have thoroughly enjoyed my time here. "I