Andy Ruiz, the former heavyweight champion, has accepted the challenge thrown down by fellow ex-champion Deontay Wilder.
"Lets goo," wrote Ruiz in a comment on Wilder's post.
The boxers have been trading challenges for a bout, the victor of which will become the mandatory challenger for Tyson Fury's WBC title.
This potential showdown is anticipated to draw a significant amount of interest from boxing enthusiasts, given both boxers' wealth of experience and potent striking power. The finer details of the match will be negotiated between the two parties, with the winner earning the opportunity to challenge Tyson Fury for the prestigious WBC heavyweight title.