anchor.diff:  Fred McGriff,Mel Antonen,0,1
   Alan Trammell,Mel Antonen,1,1
   Sammy Sosa,Mel Antonen,0,0
  +Larry Walker,Michael Silverman,0,0
  +Roger Clemens,Michael Silverman,1,1
  +Curt Schilling,Michael Silverman,1,1
  +Mike Piazza,Michael Silverman,1,1
  +Lee Smith,Michael Silverman,0,0
  +Barry Bonds,Michael Silverman,1,1
  +Jeff Kent,Michael Silverman,0,0
  +Edgar Martinez,Michael Silverman,0,1
  +Jeff Bagwell,Michael Silverman,1,1
  +Mark McGwire,Michael Silverman,0,1
  +Tim Raines,Michael Silverman,1,1
  +Nomar Garciaparra,Michael Silverman,0,0
  +Mike Mussina,Michael Silverman,1,1
  +Gary Sheffield,Michael Silverman,0,0
  +Fred McGriff,Michael Silverman,0,0
  +Alan Trammell,Michael Silverman,0,0
  +Sammy Sosa,Michael Silverman,0,0
   Larry Walker,Mike Bass,0,0
   Roger Clemens,Mike Bass,0,0
   Curt Schilling,Mike Bass,1,1
  
positive.code: Fred McGriff,Mike Vaccaro,0,0
  Alan Trammell,Mike Vaccaro,0,0
  Sammy Sosa,Mike Vaccaro,0,0
  Larry Walker,Pat Caputo,0,0
  Roger Clemens,Pat Caputo,0,0
  Curt Schilling,Pat Caputo,1,1
  
negative.code: Fred McGriff,Adam Rubin,0,0
  Alan Trammell,Adam Rubin,0,1
  Sammy Sosa,Adam Rubin,0,0
  Larry Walker,Alan Greenwood,0,0
  Roger Clemens,Alan Greenwood,1,1
  Curt Schilling,Alan Greenwood,1,1
  Mike Piazza,Alan Greenwood,1,1
  Lee Smith,Alan Greenwood,0,0
  Barry Bonds,Alan Greenwood,1,1
  Jeff Kent,Alan Greenwood,0,0
  Edgar Martinez,Alan Greenwood,0,0
  Jeff Bagwell,Alan Greenwood,1,1
  Mark McGwire,Alan Greenwood,0,0
  Tim Raines,Alan Greenwood,1,1
  Nomar Garciaparra,Alan Greenwood,0,0
  Mike Mussina,Alan Greenwood,0,0
  Gary Sheffield,Alan Greenwood,0,0
  Fred McGriff,Alan Greenwood,0,0
  Alan Trammell,Alan Greenwood,0,1
  Sammy Sosa,Alan Greenwood,0,0
  Larry Walker,Aurelio Moreno,0,0
  Roger Clemens,Aurelio Moreno,1,1
  Curt Schilling,Aurelio Moreno,0,0
  