Tong returns to big league rotation, will start Monday in Miami

NEW YORK — A little before the Mets’ emphatic 10-6 win over the Giants on Friday night, president of baseball operations David Stearns sat in the press conference room at Citi Field and remained bullish on the “emerging young core” that’s taken a foothold on the Major League roster this year. Amid a rather disappointing year, players like Nolan McLean and Carson Benge have built momentum towards a final run in September that could be crucial in their development. But another promising player — whose uneven performance this year has tempered the excitement around him — is returning with the…