EAST LANSING, Mich. (AP) Michigan State has announced that Mike Tressel will be the team's defensive coordinator after Harlon Barnett's departure to Florida State .

Tressel had been a co-defensive coordinator for the Spartans with Barnett. Michigan State also announced Friday that former Kent State coach Paul Haynes has been hired as the Spartans' secondary coach.

Tressel, the nephew of former Ohio State coach Jim Tressel, has been on the staff for Mark Dantonio's whole 11-year tenure as Michigan State's coach.

Haynes was fired in November after five seasons as Kent State's coach. He coached defensive backs at Michigan State in 2003 and 2004 before spending seven seasons on the defensive staff at Ohio State.

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