This document provides an overview and comparison of the National Football League (NFL) and the Barclays Premier League (BPL) in terms of their global popularity. It examines reasons for the current greater global popularity of the BPL, such as being televised globally, having high quality sport, and involving many foreign players. It also considers reasons for the NFL's global popularity, like only having one high quality American football league and implementing parity. The document then discusses arguments for and against the NFL becoming as globally popular as the BPL in the future.