Netflix and NBC will join as MLB broadcasters this season, and ESPN will return to the fold after a public breakup with the league in 2025. At long last, MLB has put the finishing touches on its new broadcast deal for games that previously belonged solely to ESPN.

After a highly successful postseason, which featured a seven-game World Series between the Dodgers and Blue Jays that had the highest viewership numbers since 2017, Major League Baseball announced its...