Pat Mace held the Champion City Kings (4-11) scoreless for six innings to boost the Jamestown Jammers (12-4) to a 9-5 victory.
Mace struck out three and allowed no walks and three hits.
The Jamestown Jammers were led by a flawless day at the dish by Eric Solberg, who went 4-4 against the Champion City Kings' pitching. He doubled in the fifth inning and singled in the first, seventh, and eighth innings.
Corey Murphy was charged with his first loss of the year. He allowed eight runs in 6 2/3 innings, walked one and struck out five.