Arsenal are INVINCIBLE in October! 🧱 ✅ 2-0 vs Olympiacos ✅ 2-0 vs West Ham ✅ 0-1 vs Fulham ✅ 4-0 vs Atletico ✅ 1-0 vs Crystal Palace 5 games, 5 wins, 5 clean sheets. 🔥 #afc #arsenal #arsenalfc #gunners #gooners