Inside Sport newsletter: Get an expert guide to the biggest moments shaping the world of sport Get our free Inside Sport newsletter Get our free Inside Sport newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy noticeMatthias Jaissle says he arrives at Newcastle in an "ambitious" frame of mind, though warned progress "will not happen overnight" after succeeding Eddie Howe at St James’ Park. While the upheaval leaves the squad lacking experience, Jaissle – who guided RB Salzburg to back-to-back Austrian titles and Saudi club Al-Ahli to consecutive Asian Champions League crowns – remains upbeat. open image in gallery Jaissle has replaced Eddie Howe (Jordan Pettitt/PA) ( PA Wire )At his official unveiling at St James’ Park, the 38-year-old German boss said: "We are ambitious. "The players who left the club, they were great players, great characters, experienced players and this is now a vacuum.