J.D. Martinez makes his Mets debut after he was sidelined by back issues

NEW YORK (AP) — Six-time All-Star J.D. Martinez joined the New York Mets on Friday, more than a month after he signed and hopeful the back woes that delayed his debut are a thing of the past. “I made it,” Martinez said with a grin at his locker. Martinez batted fifth against the St. Louis Cardinals Friday night — in between former NL home run king Pete Alonso and former NL batting champ Jeff McNeil. The Mets are hopeful Martinez, whose 291 homers since 2014 are the fifth-most in the majors, can