The spring transfer portal window is officially closed, leaving coaches with a pool of uncommitted players to chose from if they want to make any more additions to their roster ahead of the 2024 season. College football analyst Greg McElroy recently spoke about some of the positional needs that the nation’s top programs need to address through the transfer portal on Always College Football. Where he unveiled where the USC Trojans should look to strengthen their depth chart this offseason ahead of year three under Lincoln Riley. “This shouldn’t come as a huge surprise, it’s USC, they’ve had cha…