See mlbviewer project for MiLB.tv support
In 2013, MiLB.tv integration was added to mlbviewer (the MLB.TV big brother project.) A separate milbviewer will no longer be supported. A collection of tools to view and listen to streaming minor league baseball games from MiLB.tv on Linux. Please note that milbviewer is for paying subscribers to MiLB.tv: you will require a login and password from minorleaguebaseball.com.