With as many as 12-15 teams teams potentially showing interesting in Cliff Lee, ESPN's Buster Olney says that the Mariners still want "big bat potential" in any deal for the lefty ace (Twitter link). He lists two candidates: Justin Smoak of the Rangers, and Yonder Alonso of the Reds. Alonso is blocked in Cincinnati by Joey Votto.
As the Rangers showed with the Bengie Molina deal, they are unable (or unwilling) to take on payroll, instead choosing to give up a higher caliber prospect. Other big bat prospects that could be moved in a trade: Jesus Montero of the Yankees, Fernando Martinez of the Mets, and Domonic Brown of the Phillies. Whether or not those teams are willing to surrender those players in a trade for a 2008 AL Cy Young award winner is another story altogether.