Schalke will sign winger Yevhen Konoplyanka on a permanent transfer from Sevilla, the Royal Blues' sporting executive Christian Heidel has confirmed.
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.
Bayern Munich's Thomas Muller is a "natural talent" with a "nose for goals," Germany national coach Joachim Low has told kicker.
RB Leipzig closed the gap on Bayern Munich to five points with a 2-1 win over Borussia Monchengladbach.
Borussia Dortmund chief executive Hans-Joachim Watzke says he has received death threats from RB Leipzig supporters.