It would have been in WCI. Unless he defeats him without the RS or he looks immensely stronger than Jack (as Luffy against Blueno), dealing with weakened Jack would be great but definitely not huge hype.
Btw, it'd certainly be more hype than whatever Law, Kid, Killer and Zoro did until now on the rooftop.
Defeat a YC in a 1 vs 1 is no joke.