XM Satellite Radio, which currently is the exclusive satellite radio broadcaster of every Major League Baseball game, signed multi-year marketing agreements with the New York Yankees, Boston Red Sox, Chicago White Sox and Tampa Bay Devil Rays. The agreement calls for XM to be the official satellite radio partner of each team and includes a variety of customized activities to promote XM’s satellite radio service through advertising at each team’s respective stadium, as well as on-site promotions. Financial terms of each of the deals were not disclosed.