MLB.tv is an American subscription based audio and video service which through two different service tiers allows users to listen and watch high quality out of market Major League Baseball games live via a high-speed Internet connection (subject to blackout restrictions).

[3] As with MLB's Extra Innings cable and satellite television service, normal blackout restrictions apply where applicable, see below.

MLB games in the United States, Canada, South Korea, Guam and the U.S. Virgin Islands are subject to blackout restrictions.

In Guam all of the live Los Angeles Dodgers and Oakland A's games are blackout for the entire season.

During the post-season, all games are blacked out in the United States, Canada, Japan, South Korea, Guam, and the US Virgin Islands.

MLB.com can check a viewer's origin by using IP address information, but some users have reported inaccuracy of the ISP-based targeting used, thus leaving many fans unable to watch games on MLB.com.

[10] During the 2023 season, as a result of bankruptcy proceedings involving Diamond Sports Group, MLB acquired the local broadcast rights to the San Diego Padres and Arizona Diamondbacks.

[17] In October 2024, MLB announced that it would begin producing and distributing broadcasts for the Cleveland Guardians, Milwaukee Brewers, and Minnesota Twins beginning in the 2025 season; MLB announced that it would also produce and distribute Cincinnati Reds games the next month.

[22] MLB.com At Bat was a mobile application available for different platforms including iOS (a universal app which works on iPhone and iPod Touch), iPadOS, Android, BlackBerry, and HP TouchPad/webOS.

The MLB.com domain name was originally registered in 1994 by Morgan, Lewis & Bockius LLP, a Philadelphia-based law firm.

[26] In September 2000, Morgan Lewis & Bockius agreed to transfer the domain name to Major League Baseball.

MLB Advanced Media has taken steps to address these concerns by adding more prominent disclosures and an opt-out feature.

"[28] In 2009, opening week games were not available as archives, and users reported limited High Definition service available.