The Hattiesburg Black Sox, making their first trip to the National Baseball Congress World Series, play their second game in the storied amateur event tonight against the Great Bend (Kan.) Bat Cats in Wichita, Kan. Jaylyn Williams had a couple of hits and scored the game-winning run for the Black Sox in their opener on Sunday, a 5-4 win against the Inland Empire (Calif.) Golden Bears. Hattiesburg was held without a hit for the first six innings, according to the NBC website. Nathan Stewart got the save for the Black Sox, champions of the Magnolia Adult Baseball League and the Mississippi Semi-Pro State Tournament. … Playoffs get underway in the Cotton States League this week, starting with the Tupelo Thunder against the North Delta Dealers tonight in New Albany. The Golden Triangle Jets and Tippah County Tribe play Thursday. The Tallahatchie Rascals and HillCountry Generals, the top two in the regular season standings, await the winners in the Saturday semifinals. The Generals’ Luke Miller leads the college summer league in batting at .453. The Dealers’ Alan Rickman is the top pitcher, with a 5-0 record and 1.42 ERA. … Brandon High’s J.T. Ginn and Hattiesburg High’s Joe Gray are on the roster for Saturday’s Under Armour All-America Game, to be played at Wrigley Field in Chicago. The duo also was picked for the Perfect Game All-American Classic on Aug. 13 at Petco Park in San Diego. Both games will be televised by MLB Network. … Three Mississippians were selected for USA Baseball’s 14U National Team Development Program, which is being held this week in Cary, N.C. Logan Forsythe of Biloxi, Easton Hood of Tupelo and Collin Reuter of Olive Branch made the 40-man roster. (Noah Foster of Tupelo and Drew Tucker of Laurel were on the alternate list.) The program includes “skill development sessions, off-field education seminars and intrasquad games,” according to the USA Baseball website. … Dallas Woolfolk of Ole Miss registered four saves and a 0.87 ERA in 10 games for the Collegiate National Team, which went 15-5 this summer. Mississippi State’s Konnor Pilkington had a 2.65 ERA in five games (four starts).