OK, Thanks to y’all here on G+ (Thanks guys!) and my DW group helping me to write my first class playbook, I just published The Pit Fighter on RPGNow.
http://www.rpgnow.com/product/119947/The-Pit-Fighter-Dungeon-World-Playbook
(Proudly sporting the Weem’s “For use with DW” logo. See? There it is in the right bottom corner!)
And as always, the guys who made DW are still awesome!
http://www.rpgnow.com/product/119947/The-Pit-Fighter-Dungeon-World-Playbook