Ehrlich is the author of Kansas City Vs. Oakland: The Bitter Sports Rivalry that Defined an Era.
It’s a deep dive into a deep dive into the epic rivalry between the Kansas City Chiefs and Oakland Raiders and the Athletics and the Royals. Set against the backdrop of the 60s and 70s it shows how the triumphs on the field came at a cost with clashes over race and labor relations, battles over urban renewal, and controversies over the professional athletes.