Key takeaways
Bojan Veličković beat Andreas Michailidis by submission at 3:18 of round three in the main event of OKTAGON 51 at the 02 Arena in London. In the co-main event, Piotr Wawrzyniak beat Vlasto Čepo by knockout at 3:15 of round three at middleweight.
Across the ten bouts that produced a result, four ended by knockout, two by submission and four on the judges' scorecards — six stoppages in ten fights. One of the four decisions divided the judges.
The quickest finish belonged to Samuel Krištofič, who stopped Karlos Vémola at 1:48 of round one, and three of the six finishes came inside the opening round. The longest was Bojan Veličković's submission of Andreas Michailidis, 13 minutes and 18 seconds in. End to end, the ten fights filled one hour and 40 minutes of cage time.
The main card finished at the higher rate: four of five, against two of the five below it. Karol Ryšavý (knockout, round one) and Hassan Shaaban (knockout, round one) all closed before the judges were needed.
Five weight classes were used, featherweight most often with two bouts.