Red Sox 6, Royals 0

BOSTON -- Jon Lester pitched eight shutout innings as Boston completed a three-game sweep.

The left-handed Lester, making his first appearance since pitching one inning in the All-Star Game, improved to 10-7 and lowered his ERA to 2.50. He gave up four hits and two walk with eight strikeouts.

The Red Sox battered Kansas City starter Yordano Ventura (7-8) for a season-high six runs and nine hits over 4 1/3 innings, with four walks, a home run and a wild pitch. It was the only start this season in which he has not recorded a strikeout.