Here are some schools that as of a few days ago were still looking for 2020 RHPs. Your son may want to reach out to them. Good luck!
Pfeiffer University
Misenheimer, North Carolina
Immaculata University
Immaculata, Pennsylvania
Lawrence University
Appleton, Wisconsin
Mid-Atlantic Christian University
Elizabeth City, North Carolina
Chatham University
Pittsburgh, Pennsylvania
Kalamazoo College
Kalamazoo, Michigan
Hope College
Holland, Michigan
Adrian College
Adrian, Michigan
Wisconsin Lutheran College
Milwaukee, Wisconsin