Who are the most coveted players available this spring? Here are ESPN's rankings of the top talent in the spring transfer portal. The following players have entered the portal or have announced intentions to transfer.

College football's spring transfer portal window opens today. Here's what you need to know about what happens next.

RB Alton McCaskill (R-Sr., 6-1, 205): McCaskill was part of a deep running back contingent. ASU was his third college stop after Houston and Colorado. He was with the team last season but had just seven carries for 17 yards as he was still battling his way through nagging injuries. One year of eligibility remaining.