Arsenal have won the race to sign Schalke left-back Sead Kolasinac, with the Bosnia international set to join on a free transfer on July 1.
Bayern Munich came back from 4-2 down to win 5-4 and extend their lead to 13 points clear at the top of the league.
Hoffenheim's 5-3 win over Bremen brings them level on points with Dortmund who could only draw 1-1 with Augsburg.
Schalke have announced a second consecutive summer tour of China, citing it as "the perfect opportunity to expand the club's reach internationally."
Schalke ultras called UEFA "mafia" during a large-scale choreo celebration on the 20th anniversary of their 1997 UEFA Cup triumph.
Borussia Monchengladbach have not given up hope of retaining the services of Chelsea loanee Andreas Christensen.