UFC 294: Paulo Costa Out, Usman Vs. Chimaev Official
UFC 294 has had a whirlwind last 24 hours. First, the original main event of Islam Makhachev vs. Charles Oliveira was canceled due to Charles receiving a bad cut above his eye in training. Then, Alexander Volkanovski stepped in on short notice. Now, the originally planned co-main event of Paulo Costa vs. Khamzat Chimaev has…