John Mateer, Darian Mensah, Eric Singleton Jr. and Fernando Mendoza are among the best players who have entered the transfer portal. Here are our rankings.

The process of talent acquisition in college football has changed dramatically in recent years with the rise of the transfer portal. Transfers have become essential in filling pressing needs for programs in pursuit of a national championship,

The four quarterbacks in the College Football Playoff semifinals will be facing four of the best defenses in the country. All four defenses rank in the top seven nationally in scoring defense, top eight in total defense, and three of the four are in the top 20 in turnovers forced.

The portal is closed to new entries, and while many players have yet to commit, some schools have already put together strong groups.

These are the college football programs with the most College Football Playoff wins and appearances since the format began in 2014.