COLUMBUS — Ohio State safety Ja’Had Carter entered the transfer portal Sunday night, according to On3’s Pete Nakos. Carter spent one season with the Buckeyes after a successful three-year career at Syracuse. He transferred to Ohio State last winter but went down with a right knee injury on Student Appreciation Day, limiting the All-ACC performer the rest of the spring season. That said, Carter returned for training camp and inserted himself into the starting free safety conversation. “There are certain guys when they mess up a play in practice,” Ohio State defensive coordinator Jim Knowles sai…