Tom Allen became Dabo Swinney's fourth defensive coordinator hire. Allen explained Wednesday why he left Penn State after one season.

On Wednesday afternoon, Dabo Swinney and Clemson introduced Tom Allen as the Tigers' new defensive coordinator. Swinney and Allen met with reporters for nearly an hour. Before addressing the ...

Penn State began its search for its third defensive coordinator in four seasons — and fourth in five years — Monday when news broke that Tom Allen was set to leave for Clemson after just one ...