Hart is the second cornerback to join Penn State's 2026 recruiting class.
Lee was a key reliever for the Nittany Lions last season.
Three Nittany Lions have been named All-Americans by three different lacrosse organizations this season.
Urgo will take the reins of his alma mater after being fired by Fordham in March.
Lum tallied 16 points, with 9 goals and 7 assists in 38 games for the Saints last season.
The petition garnered over 500 signatures, delivered to Old Main a day before the Board of Trustees vote.