NEW YORK — Carson Benge figured maybe that scraggly mustache was holding him back — so the rookie outfielder made a big league decision.“I haven’t really been getting a ton of hits, so I just shaved it off and it worked,” Benge said Wednesday night after coming through with a couple of clutch singles for the New York Mets.Facial hair or not, the 23-year-old Benge is quickly becoming one of the few bright spots for the last-place Mets this season. After batting just .136 with two extra-base hits and three RBIs in his first 21 career games, he’s hitting over .300 with 17 RBIs and 19 runs in 32 games since April 23. Earlier this month, Benge delivered the go-ahead swing in three extra-inning wins during a span of six days. “He’s always aggressive. He has a really good swing and he knows it,” star teammate Juan Soto said. “He’s squaring balls most of the time and that’s really cool to see.”Benge enjoyed a rousing major league debut on opening day in March with a home run, two walks and a stolen base in a win against Pittsburgh at Citi Field. But then he started to look overmatched in the batter’s box.Undaunted, he adapted. Benge has streamlined his approach to the ball and shortened his swing — especially with two strikes. And his growth at the plate was particularly evident Wednesday in a 4-2 victory over the Cincinnati Reds that ended New York’s five-game losing streak.With two outs in the fifth inning, the left-handed hitte …
