Name: Daz Bones
Affiliations: Baroque Works
Occupations: Pirate; Officer agent of Baroque Works; Bounty Hunter
Alias: Mr. 1
Epithet: "The Killer"
Devil Fruit: Supa Supa no Mi
Haki: None
Special Attributes: Steel body, Any body part can be used as a blade, Proficient in Martial Arts, Proficient in Swordsmanship
VS
Name: Shu
Affiliations: Marines
Occupations: Marine Captain
Devil Fruit: Sabi Sabi no Mi
Haki: None
Special Attributes: Shu ate the Sabi Sabi no Mi, a Paramecia Devil Fruit that allows him to rust metal simply by touching it. In the anime, it gave him a permanent immunity to metallic weapons, as they would rust simply by making contact with him.
Timeline: pre Timeskip.
Scenario: They meet each other at the war on Marineford, and they fight 1 on 1.
Who would win?