Tyson Fury's a superstar, and his career's been one big fight after another ... but none bigger than Saturday's scrap with Oleksandr Usyk, according to The Gypsy King himself!
35-year-old Fury joined Babcock on the "TMZ Sports" TV show (airs weeknights on FS1) -- along with his 12-year-old son Prince John James -- where he talked about the magnitude of the bout.
"It's definitely up there with the big ones," Fury said, continuing, "The second Wilder fighter when we were both champions, both undefeated, he was 43-0 with 42 KOs.