The defensive end picked up the injury working out at home over summer break.
Liam Matthews ran the offense with four goals but faceoff troubles meant the Nittany Lions couldn't keep up with the Big Red.
The DuBois, Fayette, Mont Alto, New Kensington, Shenango, Wilkes-Barre, and York campuses will close after the spring 2027 semester.
Abello has been an integral player for the Orlando Pride since leaving Penn State in 2021.
The goalie will join Matt Traynor and Kevin Parnham as newcomers to the Premier Lacrosse League.
The trustees will begin their terms on July 1.