The addition of the transfer portal in 2018 -- and later, the removal of rules requiring transfers to sit out a year before being eligible to play again -- were seismic shifts in the college basketball landscape. Suddenly, a team could overhaul its roster, or lose players, seemingly overnight.

While the portal is not the only factor that determines a team's success, it is now one of the highest-profile parts of modern team-building, and arguably the most efficient way for coaches to upgrade their rosters. To measure which programs added, or lost, more star power through the portal in 2025 compared to the four previous portal cycles, we developed a simple scoring system to calculate an "average net score" for each team based on incoming and outgoing players who made Jeff Borzello's top 100

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