Mark Buehrle pitched eight sharp innings to become baseball's first 10-game winner, Edwin Encarnacion homered again and the Toronto Blue Jays beat the Kansas City Royals 4-0 Sunday.
Buehrle (10-1) won his sixth straight decision. He gave up six hits, walked one and struck out three.
He lowered his ERA to 2.10, second-best in the AL to New York's Masahiro Tanaka, and improved to 25-12 lifetime against the Royals.
Encarnacion matched Mickey Mantle's AL record with 16 home runs in May, then started off a new month with another drive. He hit a two-run shot off Aaron Crow in the eighth for his 19th homer of the season.
Dioner Navarro also homered as the AL East-leading Blue Jays, who went 21-9 in May, began June with their 17th victory in 21 games.
Jeremy Guthrie (2-5) lost his fifth straight decision, allowing two runs and eight hits in seven innings.
Guthrie has received just one run of support in his past four outings and is winless in 10 starts.
Toronto loaded the bases with two outs against Guthrie in the first but Juan Francisco flied out.
Navarro hit a solo homer in the second with a drive into the right-field bullpen.
Francisco hit a leadoff double in the fourth, Brett Lawrie singled and Anthony Gose had an RBI grounder.
The Royals hit a pair of leadoff doubles against Buehrle, but he never allowed a runner reach third base. Alcides Escobar doubled to begin the third but was caught in a rundown on Nori Aoki's sharp grounder to second.
Eric Hosmer doubled to open the sixth but was thrown out at third by shortstop Jose Reyes on Billy Butler's grounder into the hole.
NOTES: Mantle hit 16 home runs in May 1956. The major league record for the month is 17, set by Barry Bonds in 2001. ... The shutout was Toronto's eighth of the season. ... The Royals recalled 3B Mike Moustakas from Triple-A Omaha and activated LHP Francisley Bueno off the 15-day DL. INF Danny Valencia (left hand) was placed on the 15-day DL and RHP Aaron Brooks was optioned to Triple-A. ... The Blue Jays are off Monday and begin a three-game series at Detroit on Tuesday. Toronto RHP Drew Hutchison (4-3) faces RHP Anibal Sanchez (2-2). ... The Royals begin a four-game series at St. Louis on Monday. Kansas City LHP Danny Duffy (2-5) faces RHP Shelby Miller (6-4).
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