anchor.diff:  Fred McGriff,Marc Lancaster,0,0
   Alan Trammell,Marc Lancaster,1,1
   Sammy Sosa,Marc Lancaster,0,0
  +Larry Walker,Marc Topkin,0,0
  +Roger Clemens,Marc Topkin,1,1
  +Curt Schilling,Marc Topkin,0,0
  +Mike Piazza,Marc Topkin,1,1
  +Lee Smith,Marc Topkin,0,1
  +Barry Bonds,Marc Topkin,1,1
  +Jeff Kent,Marc Topkin,0,0
  +Edgar Martinez,Marc Topkin,0,0
  +Jeff Bagwell,Marc Topkin,1,1
  +Mark McGwire,Marc Topkin,0,1
  +Tim Raines,Marc Topkin,0,0
  +Nomar Garciaparra,Marc Topkin,0,0
  +Mike Mussina,Marc Topkin,0,0
  +Gary Sheffield,Marc Topkin,1,1
  +Fred McGriff,Marc Topkin,1,1
  +Alan Trammell,Marc Topkin,0,0
  +Sammy Sosa,Marc Topkin,0,0
   Larry Walker,Mark Faller,0,0
   Roger Clemens,Mark Faller,0,0
   Curt Schilling,Mark Faller,1,1
  
positive.code: Fred McGriff,Jose de Jesus Ortiz,0,0
  Alan Trammell,Jose de Jesus Ortiz,0,0
  Sammy Sosa,Jose de Jesus Ortiz,0,0
  Larry Walker,Juan Vene,0,0
  Roger Clemens,Juan Vene,0,0
  Curt Schilling,Juan Vene,0,0
  
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
  