Some fans create or mock NTSC ISO names for emulation frontends (like RetroArch). Example naming (not official):
If you're looking for a or an emulation pack for fun, that's a fan creation. But you won't find an official "FIFA 21 NTSC" ISO/ROM for any retro console. Download FIFA 21 -NTSC-
You can find digital versions of FIFA 21 through various retailers and official platforms: PC (Windows) : The game is available for download via the Some fans create or mock NTSC ISO names
: Includes the Interactive Match Sim , allowing you to jump in and out of simulated matches to influence the outcome, and a new player development system to change player positions. Download and Compatibility Download FIFA 21 -NTSC-