anchor.diff:  L. Grant,FREE,4,PEDs,,2013,http://www.nfl.com/news/story/0ap1000000161912/article/larry-grant-suspended-four-games-for-violating-nfl-drug-policy
   V. Green,SD,4,PEDs,,2012,http://espn.go.com/nfl/story/_/id/7667289/denver-broncos-dj-williams-ryan-mcbean-virgil-green-suspended
   S. Gregory,NYJ,4,PEDs,,2010,http://sports.espn.go.com/nfl/news/story?id=5648428
  -C. Griffin,TEN,4,PEDs,,2012,http://espn.go.com/nfl/story/_/id/8709862/cedric-griffin-washington-redskins-suspended-four-games
  -W. Guy,BUF,4,PEDs,,2012,http://www.nfl.com/news/story/0ap1000000098505/article/winston-guy-of-seahawks-suspended-for-illegal-substances
  +C. Griffin,WAS,4,PEDs,,2012,http://espn.go.com/nfl/story/_/id/8709862/cedric-griffin-washington-redskins-suspended-four-games
  +W. Guy,SEA,4,PEDs,,2012,http://www.nfl.com/news/story/0ap1000000098505/article/winston-guy-of-seahawks-suspended-for-illegal-substances
   J. Haden,CLE,4,PEDs,,2012,http://www.nfl.com/news/story/0ap1000000060490/article/joe-haden-of-cleveland-browns-suspended-four-games
   A. Hall,TEN,4,PEDs,,2011,http://espn.go.com/nfl/story/_/id/6927311/tennessee-titans-ahmard-hall-suspended-4-games-nfl
   J. Hanson,PHI,4,PEDs,,2009,http://sports.espn.go.com/nfl/news/story?id=4645055
  
positive.code: J. Babineaux,SEA,2,Substance abuse,,2008,http://seattletimes.com/html/seahawks/2008148770_webhawk31.html
  J. Gordon,CLE,2,Substance abuse,,2013,http://www.nfl.com/news/story/0ap1000000210218/article/josh-gordon-suspended-two-cleveland-browns-games
  D. Goldson,DEN,1,In-game violence,Head-butt,2013,http://www.nfl.com/news/story/0ap2000000284209/article/bucs-dashon-goldson-has-onegame-suspension-upheld
  M. Griffin,MIN,1,In-game violence,Illegal hit,2013,http://www.nfl.com/news/story/0ap2000000287948/article/titans-michael-griffin-suspended-1-game-for-illegal-hit
  J. Harrison,PIT,1,In-game violence,Helmet-to-helmet hit,2011,http://espn.go.com/nfl/story/_/id/7348112/pittsburgh-steelers-james-harrison-banned-1-game-hit-cleveland-browns-colt-mccoy
  J. Mays,DEN,1,In-game violence,Helmet-to-helmet hit,2012,http://www.nfl.com/news/story/0ap1000000066219/article/joe-mays-suspended-one-game-for-hit-on-matt-schaub
  B. Meriweather,WAS,1,In-game violence,Helmet-to-helmet hit,2013,http://www.nfl.com/news/story/0ap2000000268595/article/brandon-meriweathers-suspension-reduced-to-1-game
  
negative.code: T. Hali,KC,1,Substance abuse,,2012,http://espn.go.com/nfl/trainingcamp12/story/_/id/8284849/kansas-city-chiefs-tamba-hali-suspended-one-game-nfl
  I. Pead,STL,1,Substance abuse,Marijuana-related,2013,http://www.nfl.com/news/story/0ap1000000208343/article/isaiah-pead-suspended-for-substance-abuse-violation
  D. Reed,BAL,1,Substance abuse,Marijuana-related,2011,http://www.nfl.com/news/story/09000d5d821eb87b/article/ravens-david-reed-suspended-for-substanceabuse-violation
  L. Wilson,NO,1,Substance abuse,Marijuana-related,2012,http://profootballtalk.nbcsports.com/2012/07/06/saints-linebacker-lawrence-wilson-suspended-fined-by-league/