anchor.diff:  Callighen, Frank, New York Rangers, 1928, {1}
   Cameron, Allan, Montreal AAA, 1893–94, {2}
   Cameron, Billy, Montreal Canadiens, 1924, {1}
  -Cameron, Harry, Toronto Blue Shirts, 1914,  Toronto Arenas, 1918,  Toronto St. Pats, 1922, {3}
  +Cameron, Harry, Toronto Blueshirts, 1914,  Toronto Arenas, 1918,  Toronto St. Pats, 1922, {3}
   Campbell, Brian, Chicago Blackhawks, 2010, {1}
   Campbell, Gregory, Boston Bruins, 2011, {1}
   Campbell, Colin J., Winnipeg Victorias, 1896, {1}
  
positive.code: Eaton, Mark, Pittsburgh Penguins, 2009, {1}
  Ebbs, Jack, Ottawa Senators, 1906, {1}
  Eddolls, Frank, Montreal Canadiens, 1946, {1}
  Edwards, Allan, Chicago Black Hawks, 1961, {1}
  Ehman, Gerry, Toronto Maple Leafs, 1964, {1}
  Elias, Patrik, New Jersey Devils, 2000–03, {2}
  Elliot, Ronald, Montreal Victorias, 1895,  Montreal AAA, 1902, {2}
  
negative.code: Mantha, Georges, Montreal Canadiens, 1930–31, {2}
  Mantha, Sylvio, Montreal Canadiens, 1924-30-31, {3}
  Marcetta, Milan, Toronto Maple Leafs, 1967, {1}
  March, Harold, Chicago Blackhawks, 1934–38, {2}
  Marchand, Brad, Boston Bruins, 2011, {1}
  Marchant, Todd, Anaheim Ducks, 2007, {1}
  Marcotte, Don, Boston Bruins, 1970–72, {2}
  Marini, Hector, New York Islanders, 1981–82, {2}
  Marker, Gus, Montreal Maroons, 1935, {1}
  Marks, Jack, Quebec Bulldogs, 1912–13,  Toronto Arenas, 1918, {3}
  Marshall, Grant, Dallas Stars, 1999,  New Jersey Devils, 2003, {2}
  Marshall, Jack, Winnipeg Victorias, 1901,  Montreal AAA, 1902–03,  Montreal Wanderers, 1907–10,  Toronto Blueshirts, 1914, {6}
  Marshall, Don, Montreal Canadiens, 1956-57-58-59-60, {5}
  Martin, Clare, Detroit Red Wings, 1950, {1}
  Martinez, Alec, Los Angeles Kings, 2012-14, {2}
  