Quote Originally Posted by Assertn View Post
Didn't Zoro want to challenge Mihawk because Mihawk holds the title for "World's strongest swordsman"?
Just because he uses a sword doesn't mean he is a "swordsman". Whitebeard used that spear, but his main ability was the Quake. Mihawk may be the strongest swordsman, but he is certainly not the strongest fighter.

http://www.onemanga.com/One_Piece/96/16/