have been required to reissue retired numbers for continental club competitions due to squad numbering rules of continental confederations. For example, CAF and CONMEBOL have such rules in their club competitions, but CONCACAF does not. Some South American teams (such as Universitario de Deportes and Flamengo, and even Mexican teams invited for the occasions) have occasionally had to re-issue their retired numbers for special cases due to CONMEBOL rules, which state that shirts must be numbered 1–25 in continental club competitions (such as Copa Libertadores and Copa Sudamericana, among others). Retired numbers Notes Special cases Notes Dedication to fans Number 12 Some clubs dedicate a number to their fans, and do not issue it to any player. The most common number for this practice is 12, from descriptions of the fans as "the twelfth man". Clubs and teams that do not give the '12' to any player include: Tirana Melbourne Victory Perth Glory Club Brugge Genk Sarajevo Atlético Mineiro Avaí Flamengo Botev Plovdiv CF Montréal Beijing Guoan Changchun Yatai Shandong Luneng Taishan Tianjin Jinmen Tigers Zhejiang Yiteng Hajduk Split Omonia Sparta Prague AGF OB Bristol Rovers Gillingham Oxford United Oldham Athletic Plymouth Argyle Portsmouth Reading Flora Lens Mikkelin Palloilijat Arminia Bielefeld Bayern Munich Borussia Mönchengladbach Rot-Weiss Essen TuS Koblenz Werder Bremen PAOK Ferencváros Újpest Kerala Blasters Persija Jakarta Foolad Persepolis Cork City Shamrock Rovers Atalanta Cesena Genoa Lazio Palermo Parma Torino FC Seoul Jeonbuk Hyundai Motors FC Incheon United Jeju United FC Seoul United FK Ekranas Terengganu Valletta Monterrey UANL Guadalajara Yagon United Yadanarbon Thanlyin Technological University PSV Eindhoven Feyenoord Vitesse PEC Zwolle Roda JC Kerkrade IK Start Vålerenga Pogoń Szczecin Lech Poznań Polonia Warsaw Vitória de Guimarães Rapid București Zenit Saint Petersburg CSKA Moscow Aberdeen Hibernian Rangers Red Star Belgrade AIK Hammarby IF Malmö FF GIF Sundsvall Basel Club Africain Bangkok United Chonburi BEC Tero Sasana Muangthong United Port Buriram United Fenerbahçe Sivasspor Dynamo Kyiv Hà Nội FC Notes Other numbers retired 1 – AIK and Djurgården IF reserve the number for their supporters. 7 – Paysandu reserve the number for their supporters. 10 – Levadiakos have reserved the number for the club president, Giannis Kobotis. 11 – Indy Eleven reserve the number for their supporters. 13 – Gillingham use the number for the 'Rainham End' Stand of Priestfield Stadium as this stand holds the majority of hardcore supporters. 13 – Reading and Bryne reserve the number for their