Nick Johnson's hamstring isn't healing very fast.  Big surprise. Nick Johnson attempted some light running on the field prior to Sunday's game. The session was over shortly after it began."It didn't go too good," said Johnson, who has not played since the first inning of the first game of the Aug. 18 doubleheader because of a strained right hamstring. "When I'm running, I still feel it." --- Asked about the possibility of returning during ...