It's official: the Dallas Cowboys will not be re-signing veteran edge rusher Dante Fowler Jr. ESPN's Adam Schefter and Tom Pelissero report that the Seattle Seahawks are signing Fowler to a one-year deal worth up to $5 million. The writing was on the wall that Fowler might end up with the Seahawks dating back to last month, when the veteran was brought in for a visit to Seattle. Fowler appeared in all 17 games for the Cowboys last season but posted just three sacks. In all, Fowler has spent three years with the Cowboys during his career, tallying 13 sacks in that span. Sandwiched in between those stints with the Cowboys was his lone season with the Washington Commanders, when he finished with 10.5 sacks, the second-most of his career. Hence the frustration with Fowler: he has spent more years with the Cowboys than he has with all but one other team he played for yet has never posted anything close to a career year in Dallas. A missed opportunity for the Cowboys Dallas Cowboys defensive end Dante Fowler Jr.…