NEW YORK -- Major League Baseball is having its most-viewed postseason in the U.S. since 2017 through the League Championship Series.

Viewership is averaging 4.48 million according to MLB and Nielsen, a 13% increase over last year.

Most of the gains are due to the first two rounds. The AL Championship Series on Fox, Fox Sports 1, Fox Deportes and streaming averaged 4.99 million viewers across the seven games.

That is even with last year's ALCS on TNT Sports, where the New York Yankees beat the Cleveland Guardians in five games.

Fox and TNT Sports alternate leagues each season.

TNT Sports was hurt by the Los Angeles Dodgers posting a four-game sweep over the Milwaukee Brewers , and Shohei Ohtani 's epic three-homer game and 10-strikeout performance in Game 4 taking place on

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