KSI is eating like the Notorious leading up to his rematch with Logan Paul ... hiring Conor McGregor's personal chef to cook his meals leading up to the fight!!
The 26-year-old British internet superstar gave an inside look into his insane training program for the Nov. 9 bout ... revealing he hired combat sports superchef Eric Triliegi to help him get in fighting shape.
"When it comes to cooking, we needed to upgrade the nutrition," KSI said on DAZN's "40 Days: Behind-The-Scenes With KSI" docuseries.