Protests too much
Lotina was sent off for protesting to the referee, Belgian official Frank De Bleeckere, after only 18 minutes of the third qualifying round, second-leg tie against SK Slavia Praha last month. Celta lost the match in Prague 2-0 but went through 3-2 on aggregate.
Lotina served half of his sanction when he watched from the stands as Celta drew their opening group-stage game 1-1 at Club Brugge KV on Tuesday. He will complete the ban when Group H rivals AC Milan visit Vigo on 1 October.
Meanwhile, the disciplinary committee also suspended player Steve Birz, from Luxembourg's champions CS Grevenmacher, for six months for a doping offence committed at the Champions League first qualifying round tie against FK Leotar.
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