Islam Makhachev Knocks Out Alexander Volkanovski in Rematch
Makhachev defended his lightweight championship.
This win marked Makhachev's 13th consecutive victory.
Volkanovski took the fight on 11 days' notice.
Volkanovski is still the 145-pound champion.
Makhachev won their first fight by unanimous decision.
Volkanovski called for a rematch.
Volkanovski's next challenge is Ilia Topuria.
Makhachev's options include Oliveira and Gaethje.