NEW YORK — Lee Mazzilli and Bobby Valentine, longtime friends, former roommates and New York Mets teammates who represent two different eras of the franchise, were still finishing each other’s sentences when they were inducted into the team’s Hall of Fame before Saturday’s game against the Miami Marlins.“When we were rooming together, we couldn’t imagine us sitting in the room at nighttime and saying …” Mazzilli said before Valentine interrupted him.“Because we never sat in the room at nighttime,” Valentine said with a laugh.“Fifty years from now, we’re going to be in the Mets Hall of Fame?” Mazzilli finished. “It just doesn’t make any sense.”Mazzilli, a Brooklyn native selected by the Mets in the first round of the 1973 draft, was a backup outfielder on the 1986 World Series winners — nearly a decade after he was one of the club’s few attractions in the post-Tom Seaver era.The switch hitter batted .277 with 53 homers, 262 RBIs and 117 stolen bases from 1977 through 1980 while playing for New York, which averaged 97 losses per season.He became the first Mets player to homer in the All-Star Game when he hit the tying shot in the eighth inning of the 1979 Midsummer Classic — when Mazzilli also worked the tie-breaking bases loaded walk an inning later i …