Austin Riley, the ex-DeSoto Central High star and Atlanta prospect, is 6-for-21 since he returned to Triple-A Gwinnett from a rehab assignment in rookie ball. Riley, out roughly a month with a knee injury, is hitting .285 with four home runs and 19 RBIs in 31 games for the Stripers. He was promoted from Double-A Mississippi in early May. … The hits keep coming for Jacob Robson, the former Mississippi State standout now at Triple-A Toledo in Detroit’s farm system. Robson is hitting .414 with three homers and 10 RBIs in 15 games for the Mud Hens. Also at Toledo is ex-State star Zac Houston, a big right-hander who has a 2.08 ERA and three saves in 16 appearances. … Southern Miss alum Mason Robbins went into last week’s Triple-A All-Star break with a 12-game hitting streak for Charlotte (Chicago White Sox). He is 0-for-12 since play resumed. Overall, the lefty-hitting outfielder is at .269 with two homers and 24 RBIs in 54 games. … Former State star Reid Humphreys notched his 20th save on Sunday for Lancaster, Colorado’s high Class A affiliate. Humphreys, who leads the California League in saves, has a 1.67 ERA and 49 strikeouts in 32 1/3 innings. … USM product Chuckie Robinson has started to hit at high-A Buies Creek in Houston’s system. An 11-for-33 surge has boosted his average to .204 with three homers and 14 RBIs in 53 games. Robinson, a catcher, was a Midwest League All-Star in 2017, when he batted .274 with 15 homers and 32 doubles for a championship club at Quad Cities. … LeDarious Clark, the East Mississippi Community College alum from Meridian, has hit in six straight games since he returned to the Down East (Texas Rangers) lineup from an extended rehab stint. He is batting .266 with three homers for the high-A club in the Carolina League. He hit 13 homers and stole 20 bases there last year. … One of the more interesting picks in this year’s draft was Dallas Woolfolk, taken by Oakland in the 13th round. Right-hander Woolfolk, who had some struggles at Ole Miss late last season and ultimately left the team, has been up and down for the Arizona League A’s. In five games (six innings), he has two saves and a win with a 6.00 ERA, seven strikeouts and seven walks.