The Chicago Cubs needed an extra innings, but they still managed to extend their hot-streak to seven after Javier Baez's walk-off homer in the 13th.
The Cubs won 4-3 against the Washington Nationals, despite Nationals star Bryce Harper matching a single-game record with six walks, while reaching base seven times without one hit.
The Baltimore Orioles' on-song offence was at it again as demonstrated by Manny Machado's grand slam in the eighth to seal an 11-3 win over the Oakland Athletics.
The Los Angeles Dodgers got the better of the Toronto Blue Jays with a 4-2 victory for the series win, the Cleveland Indians prevailed 5-4 over the Kansas City Royals and the Milwaukee Brewers trumped the Cincinnati Reds 5-4.
Andres Blanco's RBI double completed a strong comeback for the Philadelphia Phillies in a 6-5 win over the Miami Marlins, while the Texas Rangers handed the Detroit Tigers an 8-3 loss.
The Arizona Diamondbacks won 5-3 against the Atlanta Braves after 11 innings, the Chicago White Sox prevailed over the Minnesota Twins 3-1, the Houston Astros beat the Seattle Mariners 5-1, and the Pittsburgh Pirates won a high-scoring affair against the St. Louis Cardinals 10-5.
The Tampa Bay Rays swept the Los Angeles Angels winning the third game of the series 3-1, the Colorado Rockies beat the San Francisco Giants 2-0, and the New York Mets enjoyed a tight 4-3 win over the San Diego Padres.
Elsewhere, David Ortiz hit two more home runs against the New York Yankees as the visitors beat their opponents the Boston Red Sox 5-1.
MACHO MACHADO ON FORM
The Baltimore shortstop hit a pair of home runs, including an eighth-inning grand slam, and drove in six runs in Sunday's 11-3 win over the Oakland Athletics. Machado went 2 for 4 in the game and also drew a walk. He is now batting .350 in the season with nine home runs and 22 RBIs. His batting average is second in the American League behind Detroit's Nick Castellanos, and his nine homers are tied for second in the AL.