Eiichiro Oda has already hinted on who gave Whitebeard the large scar on his chest in One Piece and it's not Shanks or Roger.

In the One Piece series, this art is particularly seen in characters ... Izou, a member of the former Whitebeard Pirates, ...

Everyone knows about Roger and Garp's efforts to bring down Rocks, but God Valley's second most important fight could be just as amazing!

With gorgeous art, and, most importantly ... Next, the moment during One Piece's Marineford Arc where Akainu lands an impactful attack on Whitebeard’s face is handled much better in the manga ...