LOUISVILLE, Ky. - The Louisville men's basketball program has done a fantastic job of navigating the transfer portal this offseason. They have the No. 1 transfer portal class in the cycle by 247Sports, and it has helped land the Cardinals high up on a number of way-too-early preseason polls. Following recent commitments from out of the high school ranks, it seemed that Louisville was towards the end of their roster building process. As it stands right now, they have an 11-man scholarship roster, with their starting five likely having been set for a few weeks now. But apparently, not only are they still active in the portal, they could be positioning themselves behind the scenes to land yet another top-flight transfer. Per CBS Sports' Isaac Trotter , Louisville are the three main teams in the mix for former Iowa State star Milan Momcilovic should he withdraw from the NBA Draft process. Kentucky and St. John's are the other two teams involved.…