And we'll probably never get to know that. 
I dunno how this is meant to really hurt the admiral agenda when the one who's doing it was put at >= Roger / WB level by most peeps even prior to this chapter. I'd expect someone of that calibre to pull off a decisive victory against admirals. The fact that Oda's potentially presenting such a feat as something that catapulted Rocks's notoriety and fame is actually decent portrayal for admirals, if nothing else.

I dunno how this is meant to really hurt the admiral agenda when the one who's doing it was put at >= Roger / WB level by most peeps even prior to this chapter. I'd expect someone of that calibre to pull off a decisive victory against admirals. The fact that Oda's potentially presenting such a feat as something that catapulted Rocks's notoriety and fame is actually decent portrayal for admirals, if nothing else.