In his time with the West Germany national team, he earned 26 caps and scored 21 goals.

38 years old he even appeared 21 times in the founding season of the German Bundesliga.

In the final match against Hungary Morlock scored West Germany's first goal to start the comeback after going 2–0 down.

[3] As a player, Morlock's strengths were a sound technique coupled with fighting spirit.

As a linkman he felt at home best between defense and attack, but he was also dangerous in front of the goal.