Wilder stormed into the Europa Hotel after landing in Belfast that afternoon, yelling "Bomb squad" before clashing with Fury's father, John.
According to sources reporting to FightNights.com, Fury and Wilder have agreed in principle for a Showtime-televised heavyweight championship fight that could take place in either November or December at an undisclosed location in Las Vegas.More news: Jags CB Jalen Ramsey: Marcus Mariota a great QB for Titans
To ramp up the excitement, Wilder is working as an analyst for BT Sport this weekend, so will be ring-side for Fury's bout.
Saunders' attack looks to be retaliation for incidents earlier Friday between Wilder and the Fury family.
Fury and Pianeta were't the only heavyweight fighters on stage. The victor of Fury-Wilder would have a completely different stance on the negotiating table for any bout with Anthony Joshua.More news: France tops Federation Internationale de Football Association rankings after World Cup victory; Germany falls to 15th
The first fight of his return was an nearly comical bout against Albanian cruiserweight Sefer Seferi in June, which ended after the fourth round when Fury's opponent quit.
Pianeta weighed in lighter than Fury at 18st (252 pounds) exactly. "And now he's going to face the lone and reigning champion, the WBC champion, the king, the man, the legend, the bronze bomber and it's going to be a great fight".
The 32-year-old American is 40-0 with 39 KOs since turning pro in 2008.More news: China, US to Resume Trade Talks This Month
"I've been working on them for a very long time and they're still not very big, but they're quite long, so they'll be alright on the night".