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.

After reports that a long-discussed bout between Saul "Canelo" Alvarez and Terence Crawford was inching toward being finalized, a new report from The Ring Magazine claims that those negotiations have fallen apart.

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.