From MLB.com’s Ken Gurnick comes word that the Dodgers have traded shortstop Chin-Lung Hu to the Mets for left-hander Michael Antonini. Hu, now 26, was once a highly thought of young infielder in the Dodgers’ minor league system.  He posted an 871 OPS, 14 homers and 62 RBI in 127 games between Double-A and Triple-A…