Sporting Lisbon have lodged a complaint with UEFA following their 4-3 loss at Schalke in the Champions League.
New boss Roberto Di Matteo insisted the win was all that mattered after Schalke beat Sporting Lisbon 4-3.
Eric Maxim Choupo-Moting scored a 92nd-minute penalty to earn Schalke a 4-3 win over Sporting Lisbon in Group G.
Roberto Di Matteo celebrated a winning start to life as Schalke coach with his side beating Hertha Berlin 2-0.
Mario Gotze and Philipp Lahm hit braces as Bundesliga leaders Bayern Munich romped to a 6-0 victory over Werder Bremen.
Schalke president Clemens Tonnies has given his support to director of sport Horst Heldt for hiring Roberto Di Matteo.
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