2025 Transfer Portal Rankings Football Rumors. The official transfer portal window opened earlier this month and will close on dec. Some college football players are preparing for the postseason, but others are already on the move to play for different teams.

On3’s team transfer portal index utilizes the on3 (p)erformance score to measure a team’s production during the transfer process, compared relative against its roster and not a. We break down the top players in the portal and what they can offer their new schools.