Together, the Indians and Diamondbacks have accomplished a first in baseball

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The Indians beat the White Sox 5-1 on Wednesday to extend their winning streak to 14 games. Meanwhile, the Diamondbacks defeated the Dodgers 3-1 to run their winning streak to 13. According to Elias Sports Bureau, it’s the first time in baseball history — spanning 142 years and over 2,800 team-seasons — that two teams have had concurrent winning streaks of at least 13 games. To paraphrase the great Jayson Stark, baseball is great because every day there’s always a chance you’ll see something that’s never happened before.

The Indians also had a 14-game winning streak last season, from June 17 to July 1. Per’s Jordan Bastian, they’re the first team with winning streaks of at least 13 games in back-to-back seasons since the 1960-61 Yankees.

When the Indians last lost, on August 23 to the Red Sox, they held a 4.5-game lead over the Twins for first place in the AL Central. That lead is now 11 games. When the D-Backs last lost, also on August 23 to the Mets, they held a half-game lead over the Rockies for the first NL Wild Card slot. That lead is now 7.5 games.