Seattle Seahawks Defensive Player of the Year winners
1 player won the Defensive Player of the Year in a season with the Seattle Seahawks. It is Cortez Kennedy (1992).
A winner counts for a club when he played for it in the season he won, the Immaculate Grid's rule. Award lists from Wikipedia. Seasons are on file in full from 1993; before that only some of the stars are, so an older name can be missing.