Tickets for the Nittany Lions matchup with Cornell at Gillette Stadium are now available.
Evans played in 52 games in three years for the Georgia Bulldogs.
The sophomore catcher will have three years of eligibility left.
Mizrahi did not appear in a game in two years with Penn State.
Warden is the third Nittany Lion to enter the transfer portal this spring.
In three years at Grand Canyon, Herr played in 51 matches for the Antelopes.