Ronald Acuna didn’t waste much time producing a wow moment for the Mississippi Braves. First at-bat. First pitch. Boom. Home run. Acuna was named Baseball America’s minor league player of the year today, capping a season that saw the 19-year-old Venezuela native dominate at three levels of pro ball. He started at high-A Florida and finished at Triple-A Gwinnett, batting .325 with 21 homers and 82 RBIs combined. In his Double-A debut on May 9, he went 3-for-4 with that jaw-dropping homer and three RBIs. He played only 56 more games for the M-Braves, moving up after batting .326 with nine homers, 30 RBIs and 19 steals. He goes 6 feet, 180 pounds and can play center or right field. Atlanta will have to make room for him in its outfield in 2018. … This is the fourth time a Jackson area Double-A player (JADAP) has earned BA’s minor league POY award. Gregg Jefferies won it twice, in 1986 and ’87, after spending part of both of those seasons with the Jackson Mets. Former M-Braves star Jason Heyward, who blew through Pearl much like Acuna did, took the honor in 2009.