New pro football league aims to be a college alternative
Sources: Ed McCaffrey to be head coach at Northern Colorado - Footballscoop
Football developmental leagues: Breaking down the different options - Sports Illustrated
Pacific Magazine 2021 by University of the Pacific - Issuu
Founder of new professional football league plans to target elite college players not eligible for NFL
New Pro Football League Headed By Ed McCaffrey Just Might Work
New Football League Charts an Alternate Path to NFL - WSJ
Pac Pro Football League hopes to provide options for players