Allen has adapted to Penn State and helped it maintain its status as one of the best defenses in the country, while being a driving force as the team plays in the College Football Playoff semifinal against Notre Dame.

This story was updated to add new information. CLEMSON — Tom Allen is Clemson football's new defensive coordinator. Allen, 54, whose three-year contract was approved by the Clemson Board of Trustees on Tuesday,

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,