1/5 NJPW Wrestle Kingdom 16 results: Kazuchika Okada vs. Will Ospreay for the IWGP World Heavyweight Championship, Kenta vs. Hiroshi Tanahashi for the IWGP U.S. Championship, Tetsuya Naito vs. Jeff Cobb, Mayu Iwatani and Starlight Kid vs. Saya Kamitani and Tam Nakano, Sanada vs. Great-O-Khan
By Jason Powell, ProWrestling.net Editor…