(There's no video for MacNFL yet. Please contribute to MR and add a video now!)
MacNFL is a very early development release of what could have become a Football management game for early 1980's Macs. To my knowledge, this software was never finished.
MacNFL.sit (15.73 KiB / 16.1 KB)
MacNFL v0.1 BETA / compressed w/ Stuffit
Mac OS 1.x - Mac OS 9.2.2
Emulating this? It should run fine under: Mini vMac