One day, the mega-fight between Canelo Alvarez and Terence Crawford is on; the next day, it’s off. The latest update indicates there's been a significant snag.

Saul "Canelo" Alvarez vs. Terence Crawford is back on for September — and Jake Paul has been left out in the cold after a chaotic few days in the boxing world.

Canelo Alvarez has agreed to a four-fight deal with Riyadh Season, with the Mexican superstar leveraging a widely speculated bout with Jake Paul for a much bigger contract. Turki Alalshikh, the head of Riyadh Season and the General Entertainment Authority of Saudi Arabia,