The Triple-A Norfolk Tides came up short against the Durham Bulls, while the Double-A Bowie Baysox powered to their third win in four games over the Richmond Flying Squirrels.
The Single-A Frederick Keys rallied for a victory over the Lynchburg Hillcats, and the Single-A Delmarva Shorebirds beat the Greenville Drive.
Score: Durham Bulls 3, Norfolk Tides 2 (Box score)
Recap: Second baseman Scott Moore was 3-for-4 with a double and a solo home run, but the Tides fell short in a 3-2 loss to Durham at Harbor Park.
Norfolk designated hitter Michael Aubrey added two hits, including a double, and right fielder Rhyne Hughes also hit a double in the defeat.
Tides starting pitcher Troy Patton (0-1) pitched well, but suffered the loss after giving up three runs (two earned) and two hits in 5 1/3 innings. The 24-year-old left-hander struck out five batters and issued three walks.Bowie Baysox (AA)
Score: Bowie Baysox 4, Richmond Flying Squirrels 1 (Box score)
Recap: Starting pitcher Ryohei Tanaka (1-0) tossed six scoreless innings as the Baysox topped Richmond, 4-1, at Prince George's Stadium.
The 27-year-old right-hander collected four strikeouts and allowed five hits.
Bowie third baseman Brandon Waring and left fielder Tyler Henson each hit a solo home run -- the first of the season for both players -- and first baseman Robbie Widlansky added two hits and an RBI.
Baysox relief pitcher Eddie Gamboa retired the side in order in the ninth inning to earn his first save of the season.
Score: Frederick Keys 4, Lynchburg Hillcats 1 (Box score)
Recap: First baseman Joe Mahoney hit a two-run home run as the Keys scored four runs in the eighth inning to take a 4-1 victory over Lynchburg.
Frederick second baseman L.J. Hoes was 2-for-5 with a double, two RBIs and a run scored. He also had a stolen base and committed a fielding error. In the opening series, the 20-year-old infielder batted .357 (5-for-14).
Keys relief pitcher Kenny Moreland (1-0) earned the win after tossing four scoreless innings, while right-hander Sean Gleason retired all three batters he faced for his first save of the season.
Third baseman Buck Britton and shortstop Jason White each added two hits for the Keys, while catcher Luis Bernardo had a double.
Score: Delmarva Shorebirds 9, Greenville Drive 3 (Box score)
Recap: Third baseman Tyler Kelly contributed a double, a home run and five RBIs in the Shorebirds' 9-3 win over Greenville in the series finale.
Delmarva left fielder T.J. Baxter was 4-for-6 with two doubles, two runs scored and a stolen base, and center fielder Steve Bumbry added two hits, two runs scored and a stolen base.
Shorebirds starting pitcher Jesse Beal (1-0) earned the victory after tossing five scoreless innings. The 19-year-old right-hander gave up five hits and struck out five batters.
Right fielder Brian Conley was 2-for-3 with a double, an RBI and a run scored for Delmarva.