FOX Sports' Ken Rosenthal reports that Mark DeRosa has been claimed off waivers. The identity of the claiming team is not yet known. Toronto has until Thursday to work out a swap, let the claiming team have him outright, or pull DeRosa back. The veteran is batting .231 with a .769 OPS and seven home runs over 147 at-bats. He's owed roughly $230,000 for rest of season.