In recent days the Red Sox and Phillies have improved their chances of stopping the Yankees from defending their championship. The Phillies came within two wins of winning the World Series in 2009 and by adding Roy Halladay, while losing Cliff Lee, have made the top of their rotation stronger. John Lackey gives the Red Sox one of the best and deepest rotations in baseball, while the signing of Mark Cameron helps offset the almost certain loss of Jason Bay; and Marco Scutaro will be a big upgrade at shortstop. Dumping Mike Lowell will also help the team. It seems likely that the Red Sox are not quite done yet this off-season and may add another corner infield bat. Other teams, notably the Seattle Mariners have made some big moves, in the Mariners case the acquisition of Cliff Lee and Chone Figgins, that may allow them to emerge as a strong contender in 2010.