Best Warrior was born in 2010. He is by Majestic Warrior out of Flirtatious Miss by Mr. Greeley.
Best Warrior, a son of popular sire Majestic Warrior, won 5 Grade/Jpn races on dirt: the Mile Championship Nambu Hai (twice), Grade 3 Procyon Stakes (twice), and the Grade 3 Unicorn Stakes. He also finished 2nd and 3rd in the Grade 1 February Stakes.
Best Warrior entered stud in Japan in 2019. He has been very popular and covered 158 mares in 2019.