Yes. This is the normal word order for a simple statement in Afrikaans:
subject + verb
So:
If you wanted a yes/no question, Afrikaans often puts the verb first:
So the order helps show whether the sentence is a statement or a question.
Yes, sometimes sit can be used a bit more broadly, depending on context.
Most basically, it means to sit in the physical sense. But like English, it can sometimes also describe position or state:
In this sentence, though, the most natural beginner understanding is simply that every player is in a sitting position.