ProFootballFocus (PFF) is a sports analytics company that specializes in providing in-depth analysis and statistics for American football. Founded in 2006, PFF collects data on every play in the NFL and college football, offering insights into player performance, team strategies, and game outcomes. PFF's unique grading system evaluates players based on their performance in various situations, allowing fans, coaches, and analysts to gain a deeper understanding of the game. Their data is widely used by teams, media, and fantasy football enthusiasts to make informed decisions and enhance their knowledge of the sport.