Another boxing superfight is on the horizon ... because Terence Crawford is calling out Errol Spence, telling TMZ Sports the two sides need to cut the crap and make a deal already!!!
After Spence beat Shawn Porter on Sept. 28, boxing fans have been hoping and praying Spence and Crawford can get in the ring for a showdown at 147 pounds.
Well, we spoke with Bud who tells us he's ALL THE WAY DOWN -- sending this message to the undefeated Spence:
"Take off them panties and pull your pants up, and let's sign the contract!