Gary Sheffield, one of baseball’s great offensive forces, is still defending himself
However you perceive Gary Sheffield — icon or problem child, steroid user or public-opinion victim — one image almost certainly springs to mind. It’s that waggling bat, the pulsating motion that for 22 seasons radiated so much swagger.Through eight teams, nine All-Star nods, steroid allegations and a list of other microcontroversies too long to count, Sheffield’s signature stance served as an active reminder of just who his opponents — and everyone else — were dealing with.Talk with Sheffield now, in the days before Hall of Fame voting is revealed in his final year on the ballot, and there are moments…