College football transfer portal: Biggest position of need for each preseason top-10 team during spring window

College football’s best teams don’t need much to stay at the top of the rankings when 2024 season gets underway in August, but to reach the national championship game in a rugged, 12-team College Football Playoff? Yeah, safe to say everybody could use a little help. 

Polling team experts from 247Sports, we’ve chosen the biggest need for for every preseason top 10 team —based on CBS Sports’ pre-spring top 25 rankings — when the spring transfer portal window opens April 16.