The New York Yankees restored their three-game lead in the American League East with a 4-3 win over the Baltimore Orioles on Saturday.
Baltimore's 6-1 win on Friday night had seen them close the gap to two games, but the home side bounced back in the Bronx with three runs in the seventh inning.
The Yankees won for only the fourth time in 11 games, while the Orioles lost a contest decided by one run for the first time in 14 games.
The only bad news for the Yankees was a hamstring injury to Curtis Granderson, who left the game after two innings and was taken to hospital for a precautionary MRI.
The Tampa Bay Rays are a game and a half behind the Orioles after beating the Toronto Blue Jays 5-4.
In the AL Central, the Detroit Tigers pulled within a game of first place with a 5-1 victory over the Chicago White Sox.
Detroit have taken the first two games of the series and will field star pitcher Justin Verlander on Sunday to try for a sweep.
Elsewhere, Cliff Lee threw seven scoreless innings to lead the Philadelphia Phillies to a 5-1 win over the Atlanta Braves, while the San Francisco Giants beat the Chicago Cubs 5-2.
A 4-3 win over the Texas Rangers saw the Cleveland Indians snap a six-game losing streak, while Dexter Fowler hit his first career grand slam as the Colorado Rockies beat the San Diego Padres 9-1.
An error from Cincinnati second baseman Wilson Valdez in the ninth inning saw the Reds lose 2-1 to the Houston Astros, while the Minnesota Twins beat the Kansas City Royals 3-1 and 8-7 in a double header.
Felix Hernandez suffered his first loss in nearly three months as the Seattle Mariners went down 5-2 to the Los Angeles Angels, while the St Louis Cardinals beat the Washington Nationals 10-9.
That extended their NL wild-card lead over Pittsburgh to one and a half games after the Pirates lost 3-2 to the Milwaukee Brewers.
The New York Mets beat the Miami Marlins 5-3, the Oakland Athletics beat the Boston Red Sox 7-1 and the Los Angeles Dodgers beat the Arizona Diamondbacks 2-1.
