Conversation so far:
What is Golovkin vs Proksa?
On 20 July 2012, it was announced that Golovkin would defend his titles against European champion Grzegorz Proksa on September 1 at the Turning Stone Casino in Verona, New York.
How did this Golovkin vs Proksa fight go?
Golovkin put on an impressive performance in his American debut by battering Proksa to a fifth-round technical knockout, which was Proksa's first loss by knockout.
What is Golovkin vs Rosado?
On 30 November 2012, it was announced that Golovkin would next fight Gabriel Rosado on the HBO Salido-Garcia card in the co-main event.
How did this Golovkin vs Rosado fight go?
Golovkin continued his stoppage-streak with a technical knock out victory over Rosado. The fight was halted when Rosado's corner threw in the towel to save Rosado.

Question: What else is significant?
Self-contained rewrite: What else is significant about the Golovkin vs Rosado fight besides the final result?