The Triple-A Norfolk Tides topped the Gwinnett Braves, and the Double-A Bowie Baysox couldn't find their bats in a loss to the Akron Aeros.
The Single-A Frederick Keys were defeated by the Wilmington Blue Rocks, and the Single-A Delmarva Shorebirds fell in extra innings against the Lake County Captains.
The short-season Single-A Aberdeen IronBirds were pounded by the Batavia Muckdogs.
Before tonight's game, the Keys activated relief pitcher Brett Jacobson. The 22-year-old right-hander was acquired recently from the Detroit Tigers in a trade for first baseman Aubrey Huff.
Also, Levi Carolus was transferred from Aberdeen to the Shorebirds. The 21-year-old infielder replaces third baseman Tyler Kolodny, who was placed on the disabled list, retroactive to Aug. 15. Carolus batted .320 with one home run, 13 doubles and 25 RBIs in 44 games for the IronBirds before his promotion.
Score: Norfolk Tides 5, Gwinnett Braves 2 (Box score)
Recap: Starting pitcher Jake Arrieta (5-6) gave up one run and six hits in seven innings in the Tides' 5-2 victory over Gwinnett at Harbor Park.
The 23-year-old right-hander collected six strikeouts, issued two walks and hit two batters. Arrieta threw 63 of his 100 pitches for strikes in the win for Norfolk.
Tides center fielder Joey Gathright was 3-for-4 with a triple, three RBIs and a run scored, and designated hitter Brandon Snyder was 2-for-4 with a double and an RBI.
Norfolk shortstop Melvin Dorta added two hits, a stolen base and a run scored, while first baseman Rhyne Hughes was 0-for-3 with a walk and a run scored.
Relief pitcher Bob McCrory retired the final three batters for his fifth save of the season for the Tides.Bowie Baysox (AA)
Score: Akron Aeros 3, Bowie Baysox 0 (Box score)
Recap: Designated hitter Danny Figueroa's two-out single in the top of the sixth inning was the only hit for the Baysox in a 3-0 loss to Akron.
Bowie starting pitcher Tim Bascom (2-7) lost his seventh consecutive decision after allowing three runs and five hits in 6 2/3 innings. The 24-year-old right-hander struck out seven batters.
Baysox relief pitcher Luis Lebron retired all four batters he faced.
Score: Wilmington Blue Rocks 9, Frederick Keys 7 (Box score)
Recap: Shortstop Pedro Florimon Jr. was 5-for-5 with two RBIs and a run scored, and he was a home run shy of the cycle in the Keys' 9-7 loss to Wilmington.
Frederick first baseman Robbie Widlansky was 4-for-5 with a double and four RBIs, and center fielder Matt Angle added a single, a stolen base and two runs scored.
Keys starting pitcher Kenny Moreland allowed six runs, five hits and two walks in five innings, and relief pitcher Brandon Cooney (0-2) gave up two unearned runs despite not surrendering a hit in one inning.
Right fielder Billy Rowell contributed an RBI and a run scored for Frederick.
Score: Lake County Captains 5, Delmarva Shorebirds 1, 10 innings (Box score)
Recap: Right fielder Ronnie Welty contributed a pair of doubles, a stolen base and a run scored in the Shorebirds' 5-1 loss to Lake County in 10 innings at Arthur W. Perdue Stadium.
Delmarva starting pitcher Nathan Moreau only surrendered one run and two hits in 6 1/3 innings, but he didn't factor in the decision. The 22-year-old left-hander struck out seven batters and issued three walks.
Relief pitcher Cliff Flagello (0-2) allowed four runs (three earned) and four hits in 1 2/3 innings for Delmarva.
Shorebirds designated hitter Elvin Polanco was 1-for-4 with an RBI.
Score: Batavia Muckdogs 10, Aberdeen IronBirds 4 (Box score)
Recap: Center fielder Steve Bumbry was 2-for-4 with a double and a run scored as the IronBirds were pounded, 10-4, by Batavia at Ripken Stadium.
Aberdeen third baseman Tyler Kelly contributed a sacrifice fly, and shortstop Michael Mooney was 1-for-4 with an RBI and a run scored.
IronBirds starting pitcher Colin Allen allowed four runs, five hits and four walks in two innings, and relief pitcher Brian Sisk (0-2) was charged with two runs (one earned) and three hits in two-plus innings.