James Forrest made his landmark 500th appearance for Celtic this season in a career that has spanned over 21 years. Joining Celtic’s academy in 2003 from South Ayr Boys Club, Forrest made his 500th appearance in the green and white Hoops in last weekend’s 3-0 win over Rangers. Winning 24 domestic titles, Forrest has been atthe heart of Celtic’s successes over the last two decades which has included the club’s second nine-in-a-row, a Quadruple Treble and a world-record eight domestic treble. And now part of the 500 club, here 67 Hail Hail takes a look at the other 12 twelve Celtic players who r…