Liberty put up a big fourth inning to beat Mercer Island 7-4 Friday.
The Patriots (11-2 overall, 10-2 league) now hold a two-game lead in the KingCo 3A/2A over Bellevue and Mount Si.
Mercer Island led 4-2 after three innings, but Liberty scored four runs in the top of the fourth inning.
John McLeod started and pitched 6.1 innings. McLeod improved to 5-0 on the season after getting the win.
Dan Eck earned the save for the Patriots.
Troy Askins went 1-2 with a double, an RBI and two steals. Eric Etter went 1-3 with a triple, a steal and an RBI.