The Clemson Tigers shook the college football world this week with the announcement of their new defensive coordinator being hired from one of the best units in the country. Clemson made things official on Tuesday with former Indiana Hoosiers head coach and Penn State Nittany Lions defensive architect Tom Allen to take over the Tigers defense and replace the fired Wes Goodwin.

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,