Key takeaways
Yuya Wakamatsu beat Joshua Pacio by knockout at 0:56 of round two in the main event of ONE 173 at the Tokyo Ariake Arena in Tokyo. In the co-main event, Christian Lee beat Alibeg Rasulov by knockout at 2:31 of round two at lightweight.
Across the six bouts that produced a result, four ended by knockout, one by submission and one on the judges' scorecards — five stoppages in six fights. Every decision was unanimous: not one result divided the judges.
The quickest finish belonged to Shamil Erdogan, who stopped Ryugo Takeuchi at 2:20 of round one, and two of the four finishes came inside the opening round. The longest was Christian Lee's knockout of Alibeg Rasulov, 7 minutes and 31 seconds in. End to end, the six fights filled 33 minutes of cage time.
Four weight classes were used, lightweight most often with three bouts.