Max Meyer said he is leaving Schalke because he no longer wants to play for sporting director Christian Heidel.
2017 SeasonAll times ET
The deal, reportedly worth €20 million, was announced on Thursday and will run for five years.
Germany international Max Meyer will leave Schalke 04 on a free transfer, club's sporting executive Christian Heidel has confirmed.
Another VAR controversy enraged Eintracht Frankfurt sporting director Fredi Bobic during the 1-0 win against Schalke in the DFB Pokal semifinal.
Eintracht Frankfurt edged Schalke 1-0 away on Wednesday to book their place in the DFB Pokal final against Bayern Munich.
Naldo is one of the Bundesliga's greatest-ever imports, and he could yet be heading to the World Cup finals with Brazil.
Schalke beat Dortmund 2-0 in Sunday's Revierderby to move four points clear of their challengers for second place in the Bundesliga table.
Schalke will sign Senegalese defender Salif Sane from Hannover on a four-year contract at the end of the season.
Schalke expect midfielder Max Meyer to leave this summer, the Bundesliga club's sporting director has said.
Schalke winger Yevhen Konoplyanka should be paying closer attention to the station announcements with his club set to travel by train to Wolfsburg.
Domenico Tedesco, never played football at the highest levels and once worked in a Mercedes factory. Now just 32, he's managing second-place Schalke.
The Bundesliga title's well and truly going to Bayern but there's genuine intrigue below with three points separating second place from sixth.
Bundesliga club Schalke had been scheduled to play Russian second division side Baltika Kaliningrad on March 22.
Meyer's current deal expires this summer, and he rejected the first offer of another last year.
Schalke have encouraged Max Meyer, who is out of contract this summer, to decide on his future sooner rather than later.
Schalke coach Domenico Tedesco has admitted that losing midfielder Max Meyer on a free transfer would be a "huge blow."
United States prospect Zyen Jones has signed with Bundesliga club Schalke after a successful trial.
Bentaleb joined Schalke on loan in 2016 and made the move permanent last year for a reported fee of €19 million.
Former Tottenham Hotspur midfielder Bentaleb was left out of the squad for Saturday's win against Hoffenheim.
Robert Lewandowski equalled a 45-year record as Bayern Munich's march towards another Bundesliga title continued with a 2-1 win against Schalke.