The victory was the 214th of Greinke’s career, tying him to Mark Buehrle and Rick Reuschel for the 91st on the all-time list.
The Astros won for the fifth time in six games.
Randal Grichuk scored for Toronto, which absorbed its biggest margin of defeat since a 20-6 loss at Yankee Stadium on September 15.
Toronto starter Hyun Jin Ryu (5-3) allowed seven runs on seven hits and three walks in 5 2/3 innings. He struggled after striking out his first seven batters and finished with more walks than strikeouts for the first time since April 2, 2018. Ryu hit a season low of one against the Astros.
The Blue Jays reliever box had another rough patch, as Carl Edwards Jr. gave Díaz the homerun in the seventh and Tyler Chatwood gave up hits to all six hitters he faced in the eighth.
Correa hit a solo homerun in the fifth for a 3-0 lead. Maldonado’s second career slam opened the game in sixth and ended Ryu’s night. Correa hit a three-point shot in the eighth to give him his 10th career multihomer game.
STICK ABOVE AVERAGE
At the start of Friday’s game, seven qualified players had a batting average of .300 or better in the American League, and five of them were Astros or Blue Jays.
Vladimir Guerrero Jr. of Toronto led with an average of 0.335 and teammate Marcus Semien was seventh with a score of 0.301.
Representing the Astros, Yuli Gurriel was fourth at 0.310 and Alvarez sixth at 0.304. Michael Brantley, out of the last 10 games with a right hamstring, was fifth with 0.305.
Toronto sold RHP Ty Tice, who was nominated for an assignment on May 22, to the Atlanta Braves for cash. Tice has appeared in four games for Toronto, including his major league debut on April 9 against the Angels, working seven innings in total. He then pitched an inning for Buffalo on May 18.
The 24-year-old, who attended the University of Central Arkansas, has a 2.07 ERA in 114 minor league games.
Astros: OF Michael Brantley has been doing some shopping, and manager Dusty Baker predicts he’ll be ready to activate when Houston travels to Boston for a series that begins Monday.
The second game of the weekend’s series on Saturday will feature Astros RHP José Urquidy (4-2, 3.02 ERA) and Blue Jays RHP Ross Stripling (1-3, 5.11). The same pitchers met on May 7 in Houston, a game the Astros won 10-4.
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Mike Haim, The Associated Press