anchor.diff:  Skrudland, Brian, Montreal Canadiens, 1986,  Dallas Stars, 1999, {2}
   Slegr, Jiri, Detroit Red Wings, 2002, {1}
   Sloan, Blake, Dallas Stars, 1999, {1}
  -Sloan, Tod, Toronto Maple Leafs, 1951,  Chicago, 1961, {2}
  +Sloan, Tod, Toronto Maple Leafs, 1951,  Chicago Blackhawks, 1961, {2}
   Smaill, Walter, Montreal Wanderers, 1908,  Ottawa Senators, 1910, {2}
   Smehlik, Richard, New Jersey Devils, 2003, {1}
   Smith, Al, Toronto Maple Leafs, 1967, {1}
  
positive.code: Jackman, Ric, Anaheim Ducks, 2007, {1}
  Jackson, Art, Boston Bruins, 1941,  Toronto Maple Leafs, 1945, {2}
  Jackson, Don, Edmonton Oilers, 1984–85, {2}
  Jackson, Harold, Chicago Black Hawks, 1938,  Detroit Red Wings, 1943, {2}
  Jackson, Harvey, Toronto Maple Leafs, 1932, {1}
  Jackson, Stan, Toronto Maple Leafs, 1922, {1}
  Jagr, Jaromir, Pittsburgh Penguins, 1991–92, {2}
  James, George, Montreal AAA, 1894, {1}
  Jarvis, Doug, Montreal Canadiens, 1976-77-78-79, {4}
  Jennings, Grant, Pittsburgh Penguins, 1991–92, {2}
  Jenkins, Roger, Chicago Black Hawks, 1934–38, {2}
  Jeffrey, Larry, Toronto Maple Leafs, 1967, {1}
  Johnson, Ernie, Montreal Wanderers, 1906-07-08-10, {4}
  Johnson, Ivan, New York Rangers, 1928–33, {2}
  Johnson, Tom, Montreal Canadiens, 1953-56-57-58-59-60, {6}
  Johnson, Earl, Detroit Red Wings, 1954, {1}
  Johnson, Virgil, Chicago Black Hawks, 1938, {1}
  Johnston, Eddie, Boston Bruins, 1970–72, {2}
  Johnstone, Charles, Winnipeg Victorias, 1896-01-02, {3}
  Johnstone, Ross, Toronto Maple Leafs, 1945, {1}
  
negative.code: Fischer, Jiri, Detroit Red Wings, 2002, {1}
  Fisher, Joe, Detroit Red Wings, 1943, {1}
  Flaman, Fern, Toronto Maple Leafs, 1951, {1}
  Fleming, Reg, Chicago Blackhawks, 1961, {1}
  Flett, Bill, Philadelphia Flyers, 1974, {1}
  Flett, Magnus, Winnipeg Victorias, 1901–02, {1}
  Flett, Rod, Winnipeg Victorias, 1896-1901-02, {3}
  