DORTMUND, GERMANY - MAY 8: Nico Schlotterbeck of Dortmund celebrates his team’s second goal during the Bundesliga match between Borussia Dortmund and Eintracht Frankfurt at Signal Iduna Park on May 8, 2026 in Dortmund, Germany. (Photo by Lukas Schulze/Bundesliga/Bundesliga Collection via Getty Images)

Nico Schlotterbeck was a rock at the back and an asset in attack for Borussia Dortmund.