20 - Arsenal have scored 20 of their 21 goals in open play in all competitions this season, the highest ratio of any Premier League side (95%).
Modified.
Football is a simple game. You win by scoring one more goal than the opponent. Everything else is just opinion dribbling, playmaking, pressing, assists all subjective. Goals are objective. You either score or you don't. That is why 1000 goals is the greatest stat ever.