The Sounds were shut out for the seventh time this year, suffering a 6-0 defeat at Sacramento.
Nashville starter Mark DiFelice (4-1) was roughed up for six runs on seven hits in three innings. Troy Cate followed with four hitless innings and Mitch Stetter walked one in his scoreless frame, but the visitors mustered only three hits.
Shortstop Adam Heether went 1 for 3 with a double.
With Angel Salome, Michael Brantley and Michael Garciaparra on the disabled list, the Stars continued to scuffle offensively Friday night, scraping together five hits during a 2-1 loss to South Division-leading Mississippi.
Huntsville fell to 18-23 after losing its seventh straight and 11th of its last 12 games.
The Manatees tied the contest with two runs in the bottom of the eighth, but Palm Beach answered with a pair in the 10th to post a 6-4 victory.
Backup catcher Andy Bouchie finished 2 for 5 and accounted for Brevard County's final two runs with his third homer of the season, but E.J. Shanks (0-2) suffered the loss with six hits and three runs, two earned, in three innings.
The Manatees slipped to 16-22 after winning eight of their previous 12 contests.
Left fielder Mel Stocker led the offense with three hits in five at-bats, including a double and RBI.
The Power (28-13) ended where they began, dropping the series finale, 4-1, to settle for a four-game split against second-place Lakewood, keeping their two-game lead over the Blueclaws.
West Virginia managed only five hits, with second baseman Eric Farris registering the only extra-base hit with a double, his 16th.
West Virginia begins an eight-game homestand with four against third-place Delmarva, which has beaten the Power five of eight times this year. The string finishes with four versus cellar-dwelling Hickory, which won three of four early in the year.
Adam Arnold (1-2) gave up a one-out homer in the 10th to hand Great Falls a 7-6 victory, but it never should have gotten that far.
That's because errors had given the visitors runs in the sixth and eighth to force extra innings and eventually send Helena to 2-3 in the second half.
Left fielder Christopher Dennis belted two homers, a three-run blast in the first and a solo shot in the fourth, and finished 3 for 4 with three runs and four RBIs. The Brewers finished with eight hits but struck out an amazing 17 times.
The Brewers stand 1-4 in the second half after dropping a doubleheader against the Athletics on Thursday night. They were off Friday and resume action with a third straight against the A's.