Spherical II between Adrian Peterson and his poker rival appears to be like like it would, in truth, go down inside a hoop … as TMZ Sports activities has realized the NFL legend’s adversary has signed a contract with Celeb Boxing.

The promotion’s founder, Damon Feldman, tells us … Joe “Child Joe” Castaneda agreed to a scrap with Peterson this week — and formally put pen to a pact on Tuesday.

Peterson’s but to ink his deal … however Feldman tells us he is anticipating that to occur quickly.

It, after all, can be a rematch from Might 27 — when the fellows duked it out at a social membership in Houston, Texas over a hand of playing cards.

Castaneda informed us Peterson had been trash-talking one among his associates whereas sitting on the felt … and when he known as for the ex-Vikings operating again to cease, “that is when the melee type of broke out.”

Each guys have been injured within the dispute, however they’ve every admitted they haven’t any lingering unhealthy blood towards each other — which in the end appears to have paved the way in which for his or her upcoming bout in between the ropes.

No battle night time date has been set simply but … however Castaneda mentioned in a press release to us on Tuesday, “Time to get in form and sharpening up these palms to placed on a present!!!”