Tramezzani (9 Oct 2021 – present) European record Notes Note 1: Celtic lodged protests over the eligibility of a number of the Sion players who participated in the two legs of the play-off round, which Sion won 3–1 aggregate (first leg: 0–0; second leg: 3–1). The UEFA Control and Disciplinary Body accepted the protests and decided to award both matches to Celtic by forfeit (3–0). As a consequence, Celtic qualified for the UEFA Europa League group stage. References External links Football clubs in Switzerland Association football clubs established in 1909 Sport in Valais Sion, Switzerland 1909 establishments in Switzerland