Can we draw the following hypothesis from the context?

Context:

Oliver Bierhoff (] ; born 1 May 1968) is a retired German former footballer who scored the first golden goal in the history of major international football, for Germany in the Euro 96 final, a career-defining performance that vaulted him into the international limelight.

Hypothesis: Bierhoff retired after scoring the first golden goal.
It's impossible to say