A Claressa Shields and Laila Ali superfight just got a whole lot more real ... 'cause just days after the retired boxing legend made it clear she wouldn't even consider fighting without at least $15 million on the table, the "GWOAT" has a message -- we got the dough!
"Laila, I'm here with my team. I got some great news for you. We got the $15 million!" Shields said in video sent to TMZ Sports.
The undefeated champ continued ... "Let's make a fight between me and you. The best versus the best.