The Texas Rangers claimed the American League West title on the final day of the regular season after defeating the Los Angeles Angels 9-2 on Sunday.
The victory sees the Rangers complete a remarkable turnaround from a team who suffered an American League high 95 losses a year ago, and is a result that ends the Angels' season.
The Los Angeles outfit had needed to beat the Rangers and hope that that Houston Astros lost to Arizona to force the battle for the final wildcard into a decider. While the Astros lost, they were already assure of the wildcard berth following the Angels' defeat.
Los Angeles went 2-1 up after the first innings, but Cole Hamels pitched a three-hitter in his first full game for the franchise as Texas added a further eight runs, including six in the seventh innings.
The Astros would have had a chance to host the America League Wildcard game had they toppled the Diamondbacks but a two run blast from Paul Goldschmidt in the seventh inning saw them lose their final game of the regular season 5-3.
Elsewhere, the Kansas City Royals ensured home field advantage throughout the play-offs as they eased past the Minnesota Twins 6-1 at Target Field courtesy of a strong outing from Johnny Cueto.
The Dominican pitcher allowed just one run through five innings and Salvador Perez hit a two run home run in the seventh to cap off an impressive regular season for the Royals, who will take on either the Astros or the New York Yankees in the American League Division Series.
Appearing in their first Postseason since 2008, the Chicago Cubs beat the Milwaukee Brewers 3-1 thanks to a two run RBI in the first innings from Anthony Rizzo.
The Chicago club won an incredible eight straight games to end the regular season, putting pressure on the Pittsburgh Pirates for home advantage in the National League Wild Card game, but the Bucs managed to hang on with a comfortable 4-0 win over the Cincinnati Reds.
J.A Happ tossed an impressive six inning shutout for Pittsburgh while Pedro Alvarez smashed hit his 27th homer of the season, meaning the Pirates will now host their third straight National League Wildcard game.
The Tampa Bay Rays ended their season on a high as Joey Butler smashed two home runs, including a grand slam as they put nine runs up in the first innings of a 12-3 drubbing of the play-off bound Toronto Blue Jays.
Sunday's Major League Baseball results:
Cardinals 0, Braves 6
Yankees 4, Orioles 9
Rockies 7, Giants 3
Reds 0, Pirates 4
Marlins 2, Phillies 7
Angels 2, Rangers 9
Red Sox 1, Indians 3
Tigers 6, White Sox 0
Cubs 3, Brewers 1
Nationals 0, Mets 1
Astros 3, Diamondbacks 5
Royals 6, Twins 1
Padres 3, Dodgers 6
Athletics 2, Mariners 3
Blue Jays 3,Rays 12
Cardinals0, Braves 2