The Triple-A Norfolk Tides edged the Charlotte Knights, and the Double-A Bowie Baysox topped the Portland Sea Dogs.
The Single-A Frederick Keys defeated the Winston-Salem Dash, and the Single-A Delmarva Shorebirds swept a doubleheader against the Savannah Sand Gnats.
The short-season Single-A Aberdeen IronBirds beat the Jamestown Jammers.
The Rookie-level Bluefield Orioles fell to the Bristol Sox, and the Rookie-level GCL Orioles were beaten by the GCL Red Sox.
Score: Norfolk Tides 4, Charlotte Knights 3 (Box score)
Recap: Center fielder Joey Gathright was 2-for-4 with a stolen base and a run scored in the Tides' 4-3 victory over Charlotte.
Norfolk second baseman Justin Turner collected two hits and a run scored, and first baseman Michael Aubrey was 1-for-5 with an RBI.
Tides starting pitcher David Pauley allowed two runs and four hits in five innings. The 26-year-old right-hander struck out three batters and issued one walk.
Orioles relief pitcher Dennis Sarfate (1-1) gave up one run and two hits in two innings during his latest injury rehabilitation assignment for Norfolk, and relief pitcher Alberto Castillo tossed a scoreless inning for his 12th save of the season.
Shortstop Blake Davis and catcher Robby Hammock each contributed an RBI for the Tides.Bowie Baysox (AA)
Score: Bowie Baysox 5, Portland Sea Dogs 4 (Box score)
Recap: Third baseman Josh Bell hit his third home run since joining the Baysox in a 5-4 win over Portland at Prince George's Stadium.
Bowie second baseman Paco Figueroa was 3-for-4 with a run scored, and left fielder Jonathan Tucker added two hits, an RBI and his 30th stolen base of the season.
Baysox right fielder Dave Krynzel and catcher Adam Donachie each contributed two hits and a run scored, and shortstop Jason White was 1-for-4 with an RBI.
Starting pitcher Pedro Beato allowed four runs and six hits in six innings for the Baysox, and relief pitcher Zach Clark (2-1) retired all five batters he faced.
Bowie relief pitcher Ryan Ouellette earned his fourth save of the season by recording the final two outs.
Score: Frederick Keys 5, Winston-Salem Dash 3 (Box score)
Recap: Third baseman Brandon Waring lifted the Keys to a 5-3 victory over Winston-Salem at Harry Grove Stadium with a grand slam in the fifth inning.
Frederick designated hitter Wally Crancer was 2-for-4 with an RBI, and first baseman Robbie Widlansky added two hits and two runs scored.
Keys center fielder Matt Angle contributed two hits and a run scored, while right fielder Billy Rowell was 1-for-3.
Starting pitcher Sean Gleason (4-6) gave up two runs and three hits in five innings for the Keys, and relief pitcher Brandon Cooney picked up his third save of the season by retiring the final three batters.
Game 1 score: Delmarva Shorebirds 4, Savannah Sand Gnats 2, 7 innings (Box score)
Game 1 recap: Third baseman Rodolfo Cardona was 2-for-3 with a double, an RBI and a run scored in the Shorebirds' 4-2 win over Savannah in the first game of the doubleheader.
Delmarva right fielder Jacob Julius added a triple and a run scored, while second baseman L.J. Hoes was 1-for-2 with an RBI and a run scored.
Shorebirds starting pitcher Ryan O'Shea (8-5) allowed two runs and four hits in six innings, and relief pitcher Cliff Flagello recorded the final three outs for his fourth save of the season.
Game 2 score: Delmarva Shorebirds 4, Savannah Sand Gnats 3, 7 innings (Box score)
Game 2 recap: Cardona was 2-for-3 with two runs scored to carry the Shorebirds past Savannah, 4-3, to sweep both games of the doubleheader.
Delmarva center fielder Kyle Hudson was 1-for-3 with an RBI, and Julius added a double.
Shorebirds starting pitcher Oliver Drake (8-7) gave up three runs and six hits in six innings, and relief pitcher T.R. Keating retired the side in order in the seventh inning for his first save of the season.
Score: Aberdeen IronBirds 9, Jamestown Jammers 3 (Box score)
Recap: Shortstop Garabez Rosa was 4-for-4 with a home run, two RBIs and three runs scored in the IronBirds' 9-3 victory over Jamestown.
Aberdeen first baseman Tom Edwards was 3-for-5 with a run scored, and third baseman Levi Carolus added three hits and an RBI.
Starting pitcher Chorye Spoone gave up one hit and three walks in three scoreless innings as part of an injury rehabilitation assignment with the IronBirds. The 23-year-old right-hander also struck out three batters.
Center fielder Steve Bumbry was 2-for-6 with two runs scored for Aberdeen. The 21-year-old outfielder is batting .225 in 29 games for the IronBirds this season.
IronBirds relief pitcher Nicholas Haughian (6-2) allowed three runs and six hits in six innings. The 22-year-old left-hander collected six strikeouts and didn't walk anyone.
Score: Bristol Sox 6, Bluefield Orioles 1 (Box score)
Recap: Second baseman Gary Helmick contributed a pair of doubles in the Orioles' 6-1 loss to Bristol at Bowen Field.
Bluefield designated hitter Jose Kianes was 1-for-3 with a double and a run scored, and first baseman Edinho Meyer added an RBI double.
Orioles starting pitcher Bobby Bundy (2-6) gave up six runs (five earned) and five hits in five innings. The 19-year-old right-hander struck out eight batters and didn't issue any walks.
Score: GCL Red Sox 11, GCL Orioles 6 (Box score)
Recap: Right fielder Grolmann Gonzalez was 2-for-5 with a triple and four RBIs, but the Orioles fell, 11-6, to the Red Sox.
Orioles starting pitcher Zachary Petersime (3-2) allowed six runs and seven hits in three innings. The 20-year-old right-hander walked three batters and collected two strikeouts.
Center fielder Brenden Webb collected two outfield assists in his second professional game. The 19-year-old outfielder was the Orioles' 30th-round selection in this year's MLB draft.