Key takeaways
Rodtang Jitmuangnon beat Takeru Segawa by knockout at 1:27 of round one in the main event of ONE 172. In the co-main event, Masaaki Noiri beat Tawanchai PK Saenchai by knockout at 1:53 of round three at featherweight.
Across the 13 bouts that produced a result, five ended by knockout, two by submission and six on the judges' scorecards — seven stoppages in 13 fights. One of the six decisions divided the judges.
The quickest finish belonged to Shinya Aoki, who stopped Eduard Folayang after 42 seconds, and five of the seven finishes came inside the opening round. The longest was Nadaka Yoshinari's knockout of Rak Erawan, 12 minutes and 40 seconds in. End to end, the 13 fights filled two hours and 12 minutes of cage time.
Seven weight classes were used, flyweight most often with four bouts.