Tyson Fury says he's "optimistic" he will fight Anthony Joshua in 2021 -- telling his rival, "Grow a pair and sign the contract, Big Boy!"
The Gypsy King appeared on "Good Morning Britain" where Piers Morgan referenced a report that the fighters could sign a 2-fight deal worth more than $500 MILLION!!!
"Well that doesn’t sound too bad," Fury said ... "but then again, I don’t believe everything I see in the paper."
"Let’s hope this fight happens. I’m willing to take the fight, I don't know if they are.