The Triple-A Norfolk Tides lost to the Gwinnett Braves in the final game of their homestand, while the Double-A Bowie Baysox beat the Akron Aeros.
The Single-A Frederick Keys split two games with the Potomac Nationals, losing the completion of last night's suspended game and winning by a large margin in the nightcap.
The Single-A Delmarva Shorebirds topped the Greensboro Grasshoppers.
Before tonight's game, the Baysox added right-hander Jim Hoey to their roster. In order to make room for him, right-hander Ryan Ouellette was transferred off the squad.
In three games so far this season, Ouellette is 1-0 with a 1.80 ERA in five innings for Bowie. The 24-year-old right-hander made the Eastern League All-Star team in 2009.
Score: Gwinnett Braves 8, Norfolk Tides 3 (Box score)
Recap: Starting pitcher Brandon Erbe allowed five runs and seven hits, including two home runs, in five innings as the Tides lost, 8-3, to Gwinnett this afternoon at Harbor Park.
The 22-year-old right-hander struck out four batters and threw 52 of his 79 pitches for strikes. Gwinnett first baseman Freddie Freeman was 4-for-4 with two home runs and four RBIs in today's game against the Tides.
Norfolk designated hitter Rhyne Hughes was 2-for-4 with a solo home run, and left fielder Jeff Salazar added a two-run shot.
Tides third baseman Josh Bell collected two hits, and center fielder Joey Gathright had a double, a stolen base and a run scored.
The Tides committed three errors, including Bell's sixth defensive miscue of the season.Bowie Baysox (AA)
Score: Bowie Baysox 7, Akron Aeros 2 (Box score)
Recap: Starting pitcher Tim Bascom (2-0) allowed one run and six hits in seven innings as the Baysox cruised to a 7-2 victory over Akron at Prince George's Stadium.
"I just came into the game wanting to command the strike zone and that's basically what I did all night," Bascom said.
The 25-year-old right-hander struck out two batters and issued one walk, throwing 64 of his 89 pitches for strikes. In 18 innings so far this season, Bascom has held opponents to two earned runs.
"After the first inning, when he threw 25 pitches or so, he bounced back and threw the ball really well," Baysox manager Brad Komminsk said. "He know what he's doing out there and tonight was no exception."
Baysox catcher Caleb Joseph was 2-for-4 with a double and an RBI, and he had some high praise about Bascom's performance.
"We face [Akron] quite a bit -- four games [last week] and basically a lot of the same faces from last year -- so we have a pretty good idea, and [Bascom] was on," Joseph said. "This is the second time I've caught him [with the Baysox] and he was just spot on."
Bowie left fielder Tyler Henson was a home run shy of the cycle and he collected three RBIs, while designated hitter Joel Guzman was 2-for-4 with a two-run home run.
Game 1 score: Potomac Nationals 10, Frederick Keys 8 (Box score)
Game 1 recap: For a summary of the events of this game between Frederick and Potomac, which resumed in the seventh inning after being suspended Wednesday because of fog, click here to read yesterday's recap.
Potomac scored two runs in the bottom of the eighth inning to win, 10-8. Keys relief pitcher John Mariotti (1-1) suffered the loss after giving up two runs, three hits and four walks in two innings.
Game 2 score: Frederick Keys 12, Potomac Nationals 1 (Box score)
Game 2 recap: Third baseman Billy Rowell hit a three-run home run in the top of the eighth inning as the Keys erupted for 11 runs in the final two frames to pick up a 12-1 victory over Potomac.
The 21-year-old infielder had four RBIs in the game, but he also committed a fielding error.
Frederick center fielder Xavier Avery was 4-for-5 with a stolen base, an RBI and three runs scored, and right fielder Ronnie Welty had two RBIs and two runs scored.
Keys starting pitcher Cole McCurry held the Nationals to one run and four hits in five innings, and relief pitcher Jose Duran (2-0) earned the win after tossing three scoreless frames.
Second baseman L.J. Hoes and catcher Wally Crancer each collected two RBIs and two runs scored for the Keys.
Score: Delmarva Shorebirds 7, Greensboro Grasshoppers 1 (Box score)
Recap: Starting pitcher Tony Butler earned his first victory since the 2008 season as the Shorebirds earned a 7-1 win over Greensboro at Arthur W. Perdue Stadium.
The 22-year-old left-hander struck out nine batters, allowed three hits and issued three walks in five scoreless innings. Butler is 1-1 with a 3.75 ERA in three starts this season.
Delmarva designated hitter Tyler Townsend was 1-for-2 with two RBIs, and center fielder Steve Bumbry added two doubles and an RBI.
The Shorebirds collected 16 strikeouts as a team.