Huddersfield are to sign on-loan forward Elias Kachunga on a permanent deal from Bundesliga outfit Ingolstadt.
Pierre-Emerick Aubameyang scored the winner as Borussia Dortmund earned a 1-0 victory over battling Ingolstadt on Friday.
Bundesliga leaders Bayern Munich moved seven points clear at the top with a 3-0 victory at Cologne.
Hoffenheim maintained their bid for a top-four Bundesliga spot thanks to Sebastian Rudy's late equaliser in a 1-1 draw at Schalke.
Bayern Munich extended their lead at the top of the Bundesliga to seven points after scoring late to win 2-0 at Ingolstadt.
Bundesliga leaders Bayern Munich saw their winning run come to an end as Schalke battled to a 1-1 draw at the Allianz Arena.