If there was doubt that Jake Mangum could handle the jump to Double-A, the ex-Mississippi State star has dismissed it. Mangum was hitting .206 at High-A Brooklyn when the New York Mets, forced by injuries to make some moves with their outfielders, promoted Mangum to Binghamton. In nine games, the 25-year-old switch-hitter is batting .368. He enjoyed his best night with the Rumble Ponies on Wednesday, going 3-for-5 with two doubles, a triple, three runs and two RBIs. He led off the 10th inning with a run-scoring three-bagger and scored what proved to be the deciding run in an 8-7 game on a sac fly. A fourth-round pick as a senior at State in 2019, Mangum didn’t hit much for power before arriving in Binghamton, where he has six extra-base knocks and is slugging .605. He has struck out just six times in 38 at-bats. True, nine games is a small sample size. And he’ll run into some outstanding pitchers in the Double-A East. But Mangum knows a little about hitting; he is the SEC’s all-time hits leader, after all. … Down in the Double-A South on Wednesday, Mississippi Braves catcher – and No. 3 Atlanta prospect – Shea Langeliers belted three homers at Pensacola and now leads the league with seven. After a sluggish start in his first Double-A campaign, the 23-year-old former Baylor star is hitting .284 with 13 RBIs. That’s nice, he says, but … . “The biggest role I have on this team is as a catcher,” he told milb.com. “Catching comes first, hitting comes second.” His arm – rated a 70 on the scouts’ 20-80 scale — is already big league-caliber. The bat is coming along.