Penn State has officially lost its defensive coordinator. Tom Allen, after one just season with the Nittany Lions, was formally named Clemson’s new defensive coordinator on Tuesday afternoon.

Penn State defensive coordinator Tom Allen has agreed to take the same position at Clemson, the school announced on Tuesday. Allen, who just finished his first season as Penn State's defensive coordinator and linebackers coach,

The Nittany Lions are set to hire Ohio State defensive coordinator Jim Knowles for the same position, according to multiple sources with knowledge of the situation. He has yet to officially sign a contract with PSU.