What I could see is Sommers/Gillingham/Gunko landing a hit on Gaban to weaken him by using Colon hostage, but they still end up getting packed (like the janitor). Then Shamrock/Garling/whatever strong guy comes and defeat Gaban with Oda using his wound as an excuse.
This is assuming he goes down and don't just leave the rest to the straw hats.
This is assuming he goes down and don't just leave the rest to the straw hats.