What does first goalscorer mean?

Gambling on soccer could become even more lucrative. What are first goalscorer in betting? This is a forecast for who will be the first to score in a match.

In slang, this means that you need to guess not the football player but a team. In such circumstances, even a bet on a potential outsider doesn’t look too risky. What is first goalscorer? It is a sport prognosis with only 2 outcomes.