MMA Junkie analyst Dan Tom goes in-depth to break down the biggest fights in the UFC. Today, he takes a closer look at the UFC Fight Night 257 main event between Johnny Walker and Zhang Mingyang. The main event in Shanghai features a pairing of two light heavyweights who are very familiar with violence.

Walker and Zhang headline UFC's return to Shanghai, with Brian Ortega vs. Aljamain Sterling in the co-main event