For all of the hype surrounding first-round knockout artist and Chinese light heavyweight prospect Zhang Mingyang, all it took was a second-round rally from the always unpredictable Johnny Walker to provide a heat check during Saturday's UFC Fight Night main event in Shanghai.

Before Johnny Walker knocked out Zhang Mingyang in the main event to send the local fans home unhappy, Sterling defeated Brian Ortega in their five-round contest, which became a catchweight bout on late notice owing to the former featherweight title challenger’s weight struggles.