 He debuted on 19 August 1967 against Schalke 04, scoring a hat trick in a 4–3 away win, and went on to score 19 goals for the club in the first half of the 1967–68 Bundesliga season.He was subsequently selected by Helmut Schön to play for West Germany in their decisive Euro 1968 qualification match against Albania in Tirana.West Germany failed to qualify after drawing the match 0–0, and the game became known as the "Disgrace of Tirana".