Nieuwenhuis signed a contract Tuesday with the Long Island Ducks of the Atlantic League of Professional Baseball, Jordan Lauterbach of Newsday reports.

Nieuwenhuis was released by the Mariners on Thursday.

Nieuwenhuis (hamstring) went 0-for-1 in his return to action Wednesday.

Nieuwenhuis (hamstring) should be ready for a return to action by early next week, Greg Johns of MLB.com reports.