Two comeback attempts fell short on Saturday and Sunday.
The series concluded with Senior Day celebrations for six Nittany Lions.
It was the first concert at Beaver Stadium in almost seven years.
Ellis was the second Nittany Lion to sign a UDFA after Curtis Jacobs signed with Kansas City.
Jacobs will join Hunter Nourzad, who was a fifth-round selection, with the Chiefs.
A poor showing against Ohio State started a downward trend for the once-first-round projection.