What if.....
Garp know what one piece is.. and everything about the void century
A guy who's strong enough to go toe to toe with pirate king doesn't know about it..... I doubt it
And the second things is
What if..... Roger told him everything what he found at laugh tale island in exchange of taking care of Ace
The conversation between garp and Roger was surely sorted to amount the information
Reason why garp always wanted luffy to join marines and eat it from the inside and when it turn the other way around after marineford arc.... Garp said- "not big enough"
Garp know what one piece is.. and everything about the void century
A guy who's strong enough to go toe to toe with pirate king doesn't know about it..... I doubt it
And the second things is
What if..... Roger told him everything what he found at laugh tale island in exchange of taking care of Ace
The conversation between garp and Roger was surely sorted to amount the information
Reason why garp always wanted luffy to join marines and eat it from the inside and when it turn the other way around after marineford arc.... Garp said- "not big enough"