Celtic have had a number of young talents leave the club over the years and fail to make the grade at their new clubs. For whatever reason, leaving Celtic has not just worked out as youngsters go out in search of first-team football. The likes of Vincent Angelini and Josh Adam left Celtic to forge a career for themselves down south. And whilst Adam was released by Man City, he now finds himself at Wrexham and young Angelini is plying his trade in Saudi Arabia after his moves to Watford and Brentford didn’t work out. However, young Ewan Otto, who left Celtic in 2023 in search of regular footbal…