Today Red Sox, 7:05 p.m., MASN * Starters: Red Sox's Jon Lester (11-4, 3.25) vs. Jeremy Guthrie (10-8, 3.18) Tomorrow Red Sox, 7:05 p.m., MASN * Starters: Red Sox's Daisuke Matsuzaka (14-2, 2.74) vs. Daniel Cabrera (8-7, 4.78) Wednesday Red Sox, 7:05 p.m., MASN * Starters: Red Sox's Clay Buchholz (2-8, 6.32) vs. Chris Waters (1-0, 4.32) Friday Yankees, 7:05 p.m., MASN * Starters: Yankees' Mike Mussina (15-7, 3.30) vs. TBA Saturday Yankees, 7:05 p.m., MASN * Starters: Yankees' TBA vs. TBA Red Sox update Boston had won four straight and seven of nine before being cooled off by the Toronto Blue Jays, who took both games in a series at Fenway Park that was abbreviated by a postponement because of rain. The Red Sox have won seven of 12 games against the Orioles this season and are 3-3 at Camden Yards. Outfielder Jason Bay, who was acquired last month in the Manny Ramirez deal, is 20-for-61 (.329) with a homer and 12 RBIs in 15 games since joining Boston. Dustin Pedroia and Kevin Youkilis entered yesterday first and third, respectively, in the American League in batting average. David Ortiz has three homers and 12 RBIs in his past seven games.