They do? Didn't Fat Joe name his some after nas?
In madd interviews of Fat Joe's in the last 10 years or so you can hear him subtly throwing jabs at Nas...nothing OD disrespectful but jabs. He never mentions his name, which is telling in itself since he always used to and is admittedly probably the biggest Nas fan on earth, but something Nas did rubbed him the wrong way.
Everybody from the hood with money has killers and prison dudes and whatever you need on their team ready to go all out for them, especially someone as beloved and admired as Nas from Queensbridge...so Fat Joe acting like him offering his allegiance and support to Nas during the Jay-z beef actually mattered any is just stupid and fantasy shyt, lol. The truth is he probably asked for a feature or tour spot or something and Nas left him hangin