JUPITER, Fla. — A Mets starting infield that featured Brett Baty at second base, Luisangel Acuña at third and non-roster invitee Luis De Los Santos at shortstop screamed spring training.

That's not something that seemed likely at the beginning of Spring Training, when Smith was a non-roster invitee to Yankees camp. Smith, who ranked as high as No. 2 in the Mets system as a ...