3 defensive coordinators Penn State must target after Jon Heacock shocker

Michigan State v USC | Luke Hales/GettyImagesPenn State football is on another coaching hunt, this time for a defensive coordinator.

On Tuesday, head coach Matt Campbell's longtime coordinator Jon Heacock announced his retirement. Heacock was on Campbell's staff since 2014 and was expected to follow him to Penn State. The news of his retirement also came after Jim Knowles' departure from the program and just hours before South Carolina hired defensive line coach Deion Barnes.

Despite the two major hits, the Nittany Lions' search for their next defensive coordinator isn't a lost cause. Here are three coaches Campbell shouldn't let pass him by, and some are still under his nose in Happy Valley:

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