Chicago's Jason Heyward drove in the tying run in the ninth inning and the game-winning run in the 13th to give the Cubs a 3-2 win against San Francisco on Sunday, taking three of four games in the series between National League pennant chasers.
Texas stretched its winning streak to seven games with a 12-4 victory over state and division rival Houston on Saturday, pushing its lead in the American League West to 10-1/2 games.
Chicago's Jon Lester went into the seventh inning before giving up a hit and finished off for his second complete game of the season, steering the Cubs to a 2-1 win against San Francisco on Friday and moving to a season-best 40 games above a .500 winning percentage.
Andrew Toles hit a grand slam with two outs in the ninth inning as the Los Angeles Dodgers overcame a late six-run deficit to beat the Colorado Rockies 10-8 in Major League Baseball on Wednesday for a doubleheader split.
Baltimore's Matt Wieters hit a tiebreaking two-run homer in the eighth inning to lift the Orioles to a 5-3 victory over Toronto on Tuesday, tightening the race for top spot in the American League East division.
Chicago's Miguel Montero drove in the winning run in the 13th inning to give the Cubs an 8-7 win against Pittsburgh on Monday, ending the Pirates long run of road victories and putting a dent in their playoff ambitions.
Texas survived a nervous ninth inning and beat Cleveland 2-1 on Sunday in the meeting of American League divisional leaders.
Corey Seager hit his 23rd home run to set a season record for Los Angeles Dodgers shortstops, helping his team to a 3-2 win against the Chicago Cubs in Saturday's clash of National League division leaders.
San Francisco lefty Matt Moore lost his no-hit bid with two outs in the ninth inning on a soft, clean single by Corey Seager as the Giants beat the Los Angeles Dodgers 4-0 in Major League Baseball on Thursday.
Baltimore closer Zach Britton saw his remarkable streak of 43 straight games without allowing an earned run end, then shut down Washington's ninth-inning rally to preserve a 10-8 victory that moved the Orioles within one game of the lead in the American League East.