KNOCKOUT on Instagram: "On December 12, 2015, Conor McGregor created one of the most iconic moments the UFC has ever seen. Stepping into the Octagon against José Aldo, a champion who had dominated for over a decade, McGregor carried the weight of bold predictions and unshakable confidence. When the bell rang, #JoseAldo charged forward aggressively, but #ConorMcGregor stayed calm and composed. In an instant, he unleashed a lightning-fast left hand that connected perfectly, sending Aldo crashing t