According to Susan Slusser, the Rays have claimed first baseman Dan Johnson off waivers. She expects him to put in time at DH while Cliff Floyd is out for the next month or so. Johnson moves from McAfee Coliseum (deflates LH HRs by 10%) to Tropicana Field (inflates LH HR by 4%).
You can read Johnson’s story here. He should be a decent stopgap for Tampa Bay.