The L.A. Dodgers might have got off to a fast start - and appeared the ones to catch for much of the season - but a serious form reversal now means they've failed to be the first team to clinch a MLB play-off spot.
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Instead, it's the Washington Nationals who are National League East champions for the fourth time in six years, and the first franchise to book its place in the MLB's 2017 post-season.
The Nats progressed to a guaranteed play-offs berth after their 3-2 win over the Phillies, and were also aided by other results going their way.
LA's Dodgers have been the standout side in 2017, and have posted (to date) more wins than any other franchise. But the Blue Crew have dropped their last 10 matches - in fact,15 of their last 16 - and are yet to wrap up the National League Central division.
LA is now in danger of handing the top seed and home field advantage in the postseason over to the Nationals. A three-game series between the Dodgers and Nationals in Washington next weekend could determine the top seed for the play-offs.
The Cleveland Indians will look to extend their winning streak to 18 consecutive matches. If successful, they join four other teams who've achieved that feat, including the now defunct Boston Beaneaters - better known now as the Atlanta Braves - in 1891.