Johnny Walker ended a skid of two straight knockout losses by scoring a shocking knockout of his own in a comeback win against Chinese light heavyweight Zhang Mingyang in the main event of UFC Fight Night in Shanghai.

The light heavyweight bout was scheduled for five rounds, but they all were not needed. Walker (21-9 MMA, 7-6 UFC) finished Zhang (19-6 MMA, 3-0 UFC) with a violent and diversified beatdown barrage for the stoppage at 2:37 of Round 2.

Johnny Walker pulled off an unexpected upset win to spoil Zhang Mingyang’s homecoming in the UFC Shanghai main event on Saturday. After eating some hard shots on the feet and on the ground in the opening round,