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Kristian Bak Nielsen of SC Heerenveen, right, talks to one of the additional assistant referees, during the Europa League first round Group D soccer match against Sporting at the Abe Lenstra stadium
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HERNING, DENMARK - NOVEMBER 03: assistant coach Kristian Bach Bak of FC Midtjylland, referee Bobby Madden, coach Erik Ten Hag of Ajax, assistant referee Graeme Stewart during the UEFA Champions League match
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