The Nittany Lions will partake in "Big Noon Kickoff" games against Illinois and Michigan.
Malone recorded 12 goals and six assists as one of the NCAA Tournament's top attackers.
Highlighting the changes are Amin Vanover, Dante Cephas, and Ty Blanding.
Dottin will arrive in Toledo with three years of eligibility remaining.
Barbour joins the group as USC searches for a new athletic director.
Michigan State confirmed the alteration after ESPN first reported the date change.