Brandon Nimmo’s status for Opening Day is up in the air with the New York Mets outfielder nursing a right knee and ankle strain.Nimmo is being listed as week-to-week by the Mets, with the season opener set for March 30 on the road against the Miami Marlins.Injuries have been a concern for New York this spring. Closer Edwin Diaz already has been lost for the season after a knee injury that occurred while he was celebrating a victory by Puerto Rico in the World Baseball Classis. Left-hander Jose Quintana is out indefinitely with a rib injury.