Ivan Nova returned to form on Saturday to help the American League East-leading New York Yankees secure their fourth straight win - 5-2 against the Toronto Blue Jays.
Nova gave up two runs over 7 1/3 innings, while Casey McGehee had a three-run homer and Derek Jeter's two hits took his total to 150 and saw him join Hank Aaron as the only players who have reached that mark in 17 consecutive seasons.
The Cleveland Indians were 5-2 winners against Boston, Brent Lillibridge notching his first home run of the season and Zach McAllister restricting the Red Sox to three hits over eight innings.
Brandon Inge's go-ahead single in the eighth inning lifted the Oakland Athletics to a 9-7 success against the AL Central-leading Chicago White Sox, while the AL West-leading Texas Rangers edged the Detroit Tigers 2-1 thanks to pinch-hitter Mike Olt's game-winning run in the bottom of the ninth inning.
In other AL Games, the Tampa Bay Rays extended their winning streak to five games by beating the Minnesota Twins 4-2, the Kansas City Royals prevailed 7-3 against the Baltimore Orioles and the Seattle Mariners saw off the Los Angeles Angels 7-4.
National League East-leading Washington registered their eighth straight win by edging past the Arizona Diamondbacks 6-5, Ryan Zimmerman driving in two runs for the Nationals.
Freddie Freeman belted a three-run homer in a seven-run second inning and had five RBI in Atlanta's 9-3 rout of the New York Mets. Kris Medlen threw 6 1/3 solid innings for the Braves.
San Francisco crushed the Colorado Rockies 9-3, Matt Cain allowing two runs over 7 1/3 innings and striking out six for the Giants.
The Cincinnati Reds overcame the Chicago Cubs 4-2, Ryan Ludwick's two-run double in the eighth inning proving decisive at Wrigley Field, while Scott Moore hit the game-winning single in the bottom of the 10th inning to earn the Houston Astros a 6-5 victory over the Milwaukee Brewers.
Finally, Jason Marquis' fifth career shutout spurred the San Diego Padres to a 5-0 win over the Pittsburgh Pirates, and the St Louis Cardinals beat the Philadelphia Phillies 4-1.
