Complex sentence: After moving again to Edmonton some years after he played for local youth side Edmonton Southwest United, being a part of the first boys team in club history to advance to the Under-15 National Championships finishing 4th in the competition.
Split into simpler sentences: After moving again to Edmonton some years after he played for local youth side Edmonton Southwest United. Apparently this was the first boys team in club history to advance to the Under-15 National Championships, finishing 4th in the competition.