Jim Knowles, Ohio State impress linebacker offer Raul Aguirreby:Jeremy Birmingham•01/24/22•BirmRead In AppRaul Aguirre has been recruited by Ohio State defensive coordinator Jim Knowles at two different schools. (Birm/Lettermen Row)Jim Knowles has impressed linebacker Raul Aguirre and shown a loyalty to the 2023 linebacker by recruiting him at two different schools.