MLB.com's Kelly Thesier fielded questions from Twins fans in her mailbag today.  Here are some of the most noteworthy tidbits: While the Twins may raise their payroll to about $85-90MM, most of that increase will go towards retaining their own players and, potentially, an extension for Joe Mauer.  Thesier says that as a result, it is not likely to be a busy offseason for the team in terms of acquisitions.  However, the team still may have enough space to add an infielder or starting...