Bayern Munich coach Carlo Ancelotti has been asked to explain why he made an offensive gesture following his side's 1-1 draw at Hertha Berlin.
Banner read: "We damn every thrown stone... which did not hit you customers!"
Schalke will sign winger Yevhen Konoplyanka on a permanent transfer from Sevilla, the Royal Blues' sporting executive Christian Heidel has confirmed.
Toni Kroos to Manchester United and Mario Gotze to Liverpool are some of the latest emerging rumours, courtesy of Football Whispers.
Modeste, 28, was on target on Sunday as Cologne drew 1-1 with Schalke and been the subject of a €40 million offer from a Chinese Super League club.
Gotze, 24, has struggled to find his form and has played only 24 minutes in 2017, also suffering muscular problems.