We haven't checked in on Ben Sheets in quite some time.  In fact, MLBTR's last update on the free agent right-hander was in early May, when he was spotted at the Rangers' ballpark visiting with pitching coach Greg Maddux.The Rangers were the favorite to sign Sheets when the '09 season began, but have said recently that they're not likely to add payroll for an elite starter.  The 30-year-old began performing range-of-motion exercises in mid-June and hopes to game-ready by A...