Seattle 6, Kansas City 1

Mariners 6, Royals 1: John Jaso hit a three-run homer and had four RBIs and Blake Beavan pitched 6 2/3 solid innings to win his third straight start as host Seattle continued its mastery of Kansas City.

Mike Carp added a solo homer for the Mariners, who also won Thursday’s series opener and have beaten the Royals in five of the last six meetings this season.

Beavan (6-6) improved to 3-0 lifetime against the Royals. He allowed one run, four hits and struck out six.

Jeremy Guthrie (0-2) lost his second straight start with the Royals since he was acquired from the Colorado Rockies on July 20. He allowed six runs and 11 hits in 5 1/3 innings to fall to 2-7 against Seattle.

Billy Butler had two hits and scored on Salvador Perez's sacrifice fly for the Royals, who are 6-19 in their last 25 games and 3-12 in their last 15 on the road.

After Michael Saunders and Jesus Montero singled with one out in the first inning, Jaso delivered a towering shot over the right-center field wall.

Dustin Ackley’s RBI double and Jaso’s sacrifice fly in the second inning made it 5-1 before Carp’s blast put Seattle on top 6-1 in the sixth.

GAME NOTEBOOK: Seattle is 9-5 in its last 14 games. … Mariners RF Carlos Peguero went 0-for-3 and is 1-for-17 since taking over for Ichiro Suzuki, who was traded to the New York Yankees on Monday. … Guthrie hasn’t won since May 31, a span of nine starts and four relief appearances. … Kansas City is 6-17 in July. … Seattle has scored in the first inning in 12 of its last 18 games.

• Seattle will play their next game at home against Kansas City. The Mariners have a W/L % of .378 after a win and .491 after a loss.
• Kansas City will play their next game on the road against Seattle. The Royals have a W/L % of .429 after a win and .404 after a loss.