The first round was an interesting one. Rubio looked huge. We kid you not there looked like a full weight class between the two fighters and it looked as if Rubio thought the weight would help him take the power of Golovkin and fire back. In the end all the weight did was cost him serious money and he went on to lose the opening round with Golovkin quickly settling into his rhythm, despite Rubio having a handful of moments.
After the end of the first round Golovkin's trainer, Abel Sanchez, told Golovkin to take his time. It appeared clear that the fighter himself didn't want to listen to his trainer and Golovkin went straight onto the front foot, applying constant pressure and unloading heavy shots at Rubio. Those shots were amazing to watch and included a monster body shot that Rubio some how took, a massive uppercut that scrambled Rubio's senses and a bizarre left hook that landed on top of Rubio's head and dropped him.
Rubio appeared to be some what more shocked than hurt by the knock down though stayed down for the count before complaining about the stoppage. It seemed that even the teak tough Mexican had lost his bottle against Golovkin who secured his 18th straight stoppage and moved through yet another contender in the Middleweight division.
After the fight Golovkin continued to say he was targeting the other champions in the division, particularly WBC champion Miguel Cotto. On this performance we'd understand Cotto doing all he could to avoid Golovkin, afterall he'd almost certainly be destroyed by the power punching Kazakh monster who actually added the WBC interim title to his collection which already included the WBA "super" title and the IBO belt.
Whether Golovkin is the best fight in the middle divisions or not is up for debate but he is clearly the most destructive fighter there and it's hard to see anyone beating him with performances like this.