Rose and Jackson have been formally banned from baseball, which precludes election. Bonds, McGwire, et al, have not. Selig doesn't seem inclined to lift either ban, so that's a real technical hurdle. The roid guys just have to convince 400 or so more sportswriters to get in.
Roger Maris, for 37 years the single-season HR record holder (and 2x MVP), will never get in.
Roger Maris, for 37 years the single-season HR record holder (and 2x MVP), will never get in.