The Triple-A Norfolk Tides topped the Charlotte Knights, and the Double-A Bowie Baysox fell to the Akron Aeros.
The Single-A Frederick Keys beat the Wilmington Blue Rocks, while the Single-A Delmarva Shorebirds' six-game winning streak was snapped by the Bowling Green Hot Rods.
The short-season Single-A Aberdeen IronBirds were blanked by the Vermont Lake Monsters.
The Rookie-level Bluefield Orioles only collected one hit in a loss to the Johnson City Cardinals, and the Rookie-level GCL Orioles won against the GCL Twins.
Score: Norfolk Tides 4, Charlotte Knights 3 (Box score)
Recap: Starting pitcher Andy Mitchell (8-2) allowed three runs and five hits in seven innings, and the Tides held on for a 4-3 victory over Charlotte at Harbor Park.
Norfolk left fielder Brandon Pinckney was 2-for-4 with two runs scored, and catcher Chad Moeller collected two hits.
Tides shortstop Blake Davis led off the game with a solo home run, and center fielder Jeff Fiorentino added a two-run shot in the fifth inning.
Relief pitcher Alberto Castillo gave up one hit in two innings to pick up his seventh save of the season for the Tides.Bowie Baysox (AA)
Score: Akron Aeros 7, Bowie Baysox 3 (Box score)
Recap: Designated hitter Ambiorix Concepcion was 2-for-5 with three RBIs, but the Baysox lost, 7-3, to Akron.
Bowie center fielder Danny Figueroa added two hits, two stolen bases and two runs scored, while catcher Guillermo Rodriguez was 2-for-4.
Baysox starting pitcher Brandon Erbe gave up three runs and five hits in five innings. The 21-year-old right-hander walked five batters and collected three strikeouts, but he didn't factor in the decision.
Relief pitcher Zach Clark (0-1) allowed four runs and seven hits in two innings for the Baysox.
Score: Frederick Keys 8, Wilmington Blue Rocks 5 (Box score)
Recap: Right fielder Wally Crancer was 2-for-4 with a solo home run and two runs scored in the Keys' 8-5 victory over Wilmington.
Frederick shortstop Pedro Florimon Jr. collected two hits, two RBIs, a stolen base and two runs scored, while first baseman Robbie Widlansky added two RBIs on two sacrifice flies.
Starting pitcher Sean Gleason (2-3) allowed four runs and eight hits in six innings for Frederick. The 23-year-old right-hander struck out two batters and issued two walks.
Keys third baseman Brandon Waring and designated hitter Billy Rowell each contributed a double, and center fielder Matt Angle scored twice.
Relief pitcher Eddie Gamboa retired all three batters he faced for his first save since joining the Keys.
Score: Bowling Green Hot Rods 4, Delmarva Shorebirds 2 (Box score)
Recap: Catcher Victor Castillo was 2-for-3 with a double, a stolen base and two RBIs in the Shorebirds' 4-2 loss to Bowling Green at Arthur W. Perdue Stadium.
Delmarva starting pitcher Cole McCurry gave up two runs and five hits in five innings. The 23-year-old left-hander collected five strikeouts and walked three batters.
Shorebirds relief pitcher Shane Mathews (0-3) suffered the loss after allowing two runs and five hits in three innings.
Second baseman L.J. Hoes and outfielder Kyle Hudson each scored a run for the Shorebirds.
Score: Vermont Lake Monsters 1, Aberdeen IronBirds 0 (Box score)
Recap: Starting pitcher Tyler Sexton tossed six scoreless innings, but the IronBirds failed to score in a 1-0 loss to Vermont at Ripken Stadium. The 23-year-old left-hander struck out five batters, allowed two hits and issued three walks.
Aberdeen center fielder Richard D'Oleo hit a triple, and second baseman Michael Mooney was 1-for-2 with a walk.
IronBirds relief pitcher Jake Cowan (0-1) gave up one run and two hits in two innings, while James Brandhorst didn't allow any runs in one inning.
Score: Johnson City Cardinals 6, Bluefield Orioles 0 (Box score)
Recap: Third baseman Mike Flacco managed the only hit for the Orioles -- a two-out double in the fourth inning -- during a 6-0 loss to Johnson City at Bowen Field.
In 22 games for Bluefield, Flacco is batting .253 with five doubles, two triples and eight RBIs. The 22-year-old infielder is 3-for-4 in stolen base attempts, and he has scored 14 runs in 2009.
Bluefield starting pitcher Justin Moore (1-2) allowed four runs (three earned) and seven hits in five innings. The 19-year-old right-hander struck out two batters and didn't walk anyone.
Orioles second baseman Matthew Tucker was 0-for-2 with a walk and two strikeouts in an injury rehabilitation assignment.
Score: GCL Orioles 5, GCL Twins 1 (Box score)
Recap: The Orioles scored four runs in the top of the first inning, and they cruised to a 5-1 win over the Twins.
Orioles third baseman Anyi Tejeda was 2-for-3 with an RBI, and center fielder Grolmann Gonzalez walked twice and scored two runs.
Second baseman Paco Figueroa was 1-for-3 with a run scored in an injury rehabilitation assignment for the Orioles.
Orioles starting pitcher Eiri Ramirez (2-2) allowed one run and three hits in six innings. The 20-year-old right-hander collected two strikeouts.