SEATTLE — The Seattle Seahawks are releasing veteran defensive end Carlos Dunlap after the sides could not agree on a contract extension that would soften the blow of a $14.1 million salary cap hit.

A person with knowledge of the move told The Associated Press on Monday of the pending release of Dunlap, who was acquired in a trade with Cincinnati midway through last season. The person spoke on the condition of anonymity because the move had not been announced by the team.

Dunlap, 32, was a major boost to Seattle’s pass rush following his arrival from the Bengals.