Penn State president Eric Barron was one of 30 candidates being considered for the same position at the University of Colorado last year, according to reports from The Colorado Independent.
Castro-Fields will be back as the unquestioned leader of Penn State's cornerbacks for his senior year.
Hamler was a go-to wide receiver for Penn State over the past two seasons.
Penn State Athletics confirmed that Limegrover's contract will not be renewed, and a national search for his replacement will begin immediately.
Matt Miller of Bleacher Report is another draft expert who expects Yetur Gross-Matos to be a first round pick in the 2020 NFL Draft.
