Ryan Braun hit a pair of two-run homers and an RBI single in the Milwaukee Brewers' 11-3 defeat of National League Central winners the Chicago Cubs.
A three-run first inning set the visitors up for victory at Wrigley Field, while the Cubs need eight more wins to make sure of home-field advantage through the National League Championship Series.
Jose Ramirez produced the clutch hit in the 10th for the Cleveland Indians' 1-0 walk-off win over the Detroit Tigers, while the Atlanta Braves defeated the Washington Nationals 7-3.
The Boston Red Sox came from behind to seal a 6-5 win over the New York Yankees and leave them within one-match of a four-game sweep.
— Boston Red Sox (@RedSox) September 17, 2016
Andrew McCutchen shone with three runs in Pittsburgh's 10-4 win over the Cincinnati Reds – and the Pirates came out on top in the second game of the double-header, winning 7-3.
The Philadelphia Phillies were convincing 8-0 winners against the Miami Marlins, while the Colorado Rockies downed the San Diego Padres by the same score. However, the Oakland Athletics were Saturday's biggest winners – they saw off the Texas Rangers 11-2.
The Los Angeles Dodgers downed the Arizona Diamondbacks 6-2, while city rivals the Angels also recorded a win on Saturday, defeating the Toronto Blue Jays 6-1.
Mood. ? pic.twitter.com/QHyUQVHH9A
— Los Angeles Dodgers (@Dodgers) September 18, 2016
The Tampa Bay Rays finished strongly, beating Baltimore 5-2 – a result which sees the Orioles drop three back in the AL East and half-a-game out of the wild card spot.
Kolten Wong hit a sacrifice fly that capped a two-run comeback in the ninth inning as St Louis rallied for a 3-2 win over the San Francisco Giants – a result which enhances the Cardinals' play-off prospects.
The Kansas City Royals were also 3-2 winners against the Chicago White Sox – and it was the same scoreline in the match between the New York Mets and the Minnesota Twins – with Curtis Granderson hitting a solo home run with two outs in the 12th after also connecting for a tying shot in the 11th.
Houston's contest against the Seattle Mariners was another tight affair – a two-run sixth giving the Astros a 2-1 victory.
The Press Association