MASN, the television home of the Orioles and Washington Nationals, will start a high-definition overflow channel beginning in the spring of 2010, the network announced. The launch of MASN2 HD will allow the network to televise every Orioles and Nationals game live and in high-def throughout the season. The majority of MASN's cable and satellite affiliates will be prepared to carry the channel for the 2010 season throughout the network's seven-state television territory.