Major League Baseball Advanced Media, L.P., is a subsidiary of Major League Baseball, and is the internet and interactive branch of the league. The company operates the official web site for the league and 30 Major League Baseball club web sites via MLB.com, which draws four million hits per day. The site offers news, standings, statistics, and schedules, and subscribers have access to live audio and video broadcasts of most games. The site also employs reporters, with one assigned to each team for the season and others serving more general beats. MLB Advanced Media also owns and operates MLB Radio and BaseballChannel.TV.

MLBAM also runs and/or owns the official web sites of blank">MiLB.com (Minor League Baseball), _Major League Soccer's blank">MLSNet , _Yes Network's blank">YesNetwork.com (The television broadcaster of the _New York Yankees), SportsNet New York's blank">SNY.tv (The television broadcaster of the New York Mets), the World Championship Sports Network, , Guns N' Roses, Bob Marley, and rehearsals.com . It also provided the backend infrastructure for CBS Sportsline's _March Madness on Demand service .