The Triple-A Norfolk Tides blanked the Pawtucket Red Sox, while the Double-A Bowie Baysox pounded the Richmond Flying Squirrels.
Dominant pitching lifted the Single-A Delmarva Shorebirds over the Lakewood BlueClaws, while the matchup between the Single-A Frederick Keys and Lynchburg Hillcats was postponed due to rain.
Frederick and Lynchburg will play a doubleheader Saturday with the first game expected to begin at 4:35 p.m. Both matchups are scheduled for seven innings.
Score: Norfolk Tides 3, Pawtucket Red Sox 0 (Box score)
Recap: Starting pitcher Troy Patton (3-6) tossed seven scoreless innings to lead the Tides to a 3-0 victory over Pawtucket.
Patton only gave up three hits and threw 59 of his 86 pitches for strikes.
Norfolk first baseman Brandon Snyder was 3-for-4 with a run scored, and second baseman Paco Figueroa added a single, a double and two RBIs.
Third baseman Josh Bell contributed two hits and a run scored for the Tides, while left fielder Jeff Salazar hit his seventh home run of the season.
Score: Bowie Baysox 10, Richmond Flying Squirrels 1 (Box score)
Recap: Designated hitter Joel Guzman was 2-for-5 with a pair of doubles and five RBIs as the Baysox cruised to a 10-1 win over Richmond.
Bowie starting pitcher Chorye Spoone (3-5) held the Flying Squirrels to one run and three hits in seven innings. He collected seven strikeouts, issued two walks and hit two batters.
Third baseman Brandon Waring contributed a double and an RBI for the Baysox, while center fielder Matt Angle, second baseman Ryan Adams and shortstop Carlos Rojas each added two hits and two runs.
Score: Delmarva Shorebirds 2, Lakewood BlueClaws 0 (Box score)
Recap: Three Shorebirds pitchers combined on a one-hitter during a 2-0 victory over Lakewood at Arthur W. Perdue Stadium in Salisbury.
Delmarva starting pitcher Nathan Moreau (1-2) held the BlueClaws to one hit in six innings, while relief pitcher Brent Allar tossed two scoreless frames and Josh Dowdy retired all three batters he faced for his sixth save of the season.
Shorebirds center fielder Michael Planeta was 2-for-3 with a double and a stolen base, while right fielder Brian Conley added a double and two RBIs.
Shortstop Mychal Givens was 0-for-3 with a throwing error for Delmarva.