The second half of the MLB season has begun. After strong first half performances the Astros, Dodgers and Nationals all enjoy a double-digit lead in their respective divisions and are locks to make the postseason. While the AL West, NL East and NL West races appear over the other divisions are up for grabs as are the Wild Card spots. How much turnover is there in the MLB playoff standings after the 1st half?

To answer that question we need to find out how much the MLB standings change in the second half. Using the Bet Labs database, I pulled the records pre/post All-Star break and noted whether a team that would have made the playoffs if the season ended in mid-July was still a postseason participant after all 162 games were played.

Since 2005, there have been 106 teams to reach the MLB postseason. Of those clubs, only 75 were playoff bound at the All-Star break. That means almost one out of every three teams that would make the playoffs if the season ended at the All-Star break doesn’t play in the postseason.

The Cubs, Cardinals and Pirates are within six games of the Brewers in the NL Central. There are eight teams in the American League that are five or fewer games out of the Wild Card and every AL team is within 9 games of a postseason berth. Ten teams make the playoffs but three clubs that are currently in postseason picture will likely miss out.

Indians at Giants

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