The Triple-A Norfolk Tides topped the Lehigh Valley IronPigs, while the Double-A Bowie Baysox lost to the Akron Aeros.
The Single-A Frederick Keys beat the Wilmington Blue Rocks, and the Single-A Delmarva Shorebirds won against the Hickory Crawdads.
The short-season Single-A Aberdeen IronBirds were edged by the Staten Island Yankees, and the rookie-level Bluefield Orioles fell against the Burlington Royals.
The Orioles released catcher Dustin Black earlier today. Black hit .159 with two home runs and four RBIs in 18 games for the Shorebirds this season. Catcher Victor Castillo was activated from the disabled list and added to Delmarva's roster.
Score: Norfolk Tides 3, Lehigh Valley IronPigs 1 (Box score)
Recap: Starting pitcher David Pauley (6-6) gave up one run and five hits in seven innings in the Tides' 3-1 victory over Lehigh Valley. The 26-year-old right-hander collected five strikeouts.
Norfolk third baseman Brandon Pinckney was 2-for-3 with an RBI, while first baseman Brandon Snyder added a double, an RBI and a run scored.
Tides designated hitter Michael Aubrey was 1-for-3 with a double and a run scored.
Relief pitcher Alberto Castillo retired the side in the ninth inning to earn his third save of the season for the Tides.Bowie Baysox (AA)
Score: Akron Aeros 5, Bowie Baysox 1, 8 innings (Box score)
Recap: Catcher Guillermo Rodriguez was 1-for-2 with a solo home run, but the Baysox lost to Akron, 5-1, in eight innings at Prince George's Stadium.
The game was called early due to rain.
Bowie starting pitcher Radhames Liz (2-1) gave up five runs and 11 hits in six innings. The 25-year-old right-hander struck out four batters and issued one walk.
Starting pitcher Fausto Carmona (1-0), who is trying to work his way back to the major leagues after struggling to start the season with the Cleveland Indians, allowed one run and four hits in seven innings for the Aeros.
Score: Frederick Keys 7, Wilmington Blue Rocks 5 (Box score)
Recap: Left fielder Tyler Henson was 2-for-4 with two home runs and four RBIs, and the Keys collected a 7-5 win over Wilmington at Harry Grove Stadium.
Frederick shortstop Pedro Florimon Jr. added two doubles, an RBI and two runs scored, but he also committed his 19th and 20th errors on defense.
Designated hitter Wally Crancer was 1-for-3 with a triple and a run scored for the Keys, while second baseman Ryan Adams and center fielder Matt Angle each had an RBI.
Keys starting pitcher Pedro Beato gave up four runs and nine hits in 4 2/3 innings. The 22-year-old right-hander struck out two batters and issued two walks.
Relief pitcher Jake Stevens (3-4) earned the victory after tossing 1 1/3 scoreless innings for Frederick, and Ryan Rodriguez recorded the final two outs for his first save since moving down to the Carolina League.
Score: Delmarva Shorebirds 4, Hickory Crawdads 1 (Box score)
Recap: Left fielder Kyle Hudson was 3-for-4 with a double and a run scored, and the Shorebirds beat Hickory, 4-1, at Arthur W. Perdue Stadium.
Delmarva designated hitter Joe Mahoney was 2-for-4 with a run scored, while third baseman Tyler Kolodny and first baseman Elvin Polanco each added a double and an RBI.
Shorebirds starting pitcher Chris Salberg (1-0) gave up one run and four hits in 5 1/3 innings. The 25-year-old left-hander collected five strikeouts and didn't walk anyone.
Relief pitcher Cliff Flagello retired the final two batters to pick up his first save since joining the Shorebirds.
Score: Staten Island Yankees 4, Aberdeen IronBirds 3, 11 innings (Box score)
Recap: Second baseman Michael Mooney was 2-for-6 with two-run home run and a double, but the IronBirds suffered a 4-3 loss in 11 innings against Staten Island.
Aberdeen designated hitter Tom Edwards was 2-for-3 with a walk, and right fielder Arthur Bonevacia added two hits, a walk and a run scored.
IronBirds starting pitcher Patrick Kantakevich gave up two runs and four hits in 4 2/3 innings, but he didn't factor in the decision. The 22-year-old right-hander walked four batters and collected two strikeouts.
Relief pitcher Jose Barajas (0-1) allowed one run, two hits and two walks in 1 2/3 innings for the IronBirds.
Aberdeen catcher Justin Dalles, who was selected by the Orioles in the sixth round of this year's MLB draft, was 0-for-4 with a walk and three strikeouts in his professional debut. First baseman Tyler Townsend, the team's third-round pick, was 0-for-5 with four strikeouts in his first start for the IronBirds.
Score: Burlington Royals 10, Bluefield Orioles 3 (Box score)
Recap: Right fielder Luis Ramirez was 2-for-4 with a two-run home run in the eighth inning, but the Orioles fell, 10-3, to Burlington.
Bluefield second baseman Omar Casamayor collected two hits, including a solo home run, and first baseman Corey Thomas was 2-for-4 with a double.
Orioles starting pitcher Bobby Bundy (0-2) allowed five runs (three earned), two hits and four walks in three innings. The 19-year-old right-hander struck out three batters.