RENTON, Wash. (AP) Jeron Johnson knows this is all going to end. That eventually Kam Chancellor will be back at strong safety and patrolling the Seattle Seahawks secondary.

For now, Johnson is going to do all he can to leave a strong enough impression that should Chancellor ever need a break, the secondary will get along just fine.

Johnson is beginning his fourth season with the Seahawks, going from the undrafted rookie out of Boise State who fought to make the roster to the established backup to Chancellor as Seattle's strong safety. But his role for Seattle goes beyond that.

With Chris Maragos leaving for Philadelphia in free agency, Seattle has no true backup for All-Pro Earl Thomas at free safety. So for now, Johnson must know the free safety role as well.



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