anchor.diff:  van Riemsdyk, Trevor, Chicago Blackhawks, 2015, {1}
   Van Dorp, Wayne, Edmonton Oilers, 1987, {1}
   Vasicek, Josef, Carolina Hurricanes, 2006, {1}
  -Vasko, Elmer, Chicago Black Hawks, 1961, {1}
  +Vasko, Elmer, Chicago Blackhawks, 1961, {1}
   Verbeek, Pat, Dallas Stars, 1999, {1}
   Vermette, Antoine, Chicago Blackhawks, 2015, {1}
   Vernon, Mike, Calgary Flames, 1989,  Detroit Red Wings, 1997, {2}
   Versteeg, Kris, Chicago Blackhawks, 2010–15, {2}
   Veznia, Georges, Montreal Canadiens, 1916–24, {2}
  -Voss, Carl, Chicago Black Hawks, 1938, {1}
  +Voss, Carl, Chicago Blackhawks, 1938, {1}
   Voynov, Slava, Los Angeles Kings, 2012-14, {2}
   Wakely, Ernie, Montreal Canadiens, 1965–68, {2}
   Walker, Jack, Toronto Blueshirts, 1914,  Seattle Metropolitans, 1917,  Victoria Cougars, 1925, {3}
  
positive.code: Sutter, Duane, New York Islanders, 1980-81-82-83, {4}
  Sutton, Ken, New Jersey Devils, 2000, {1}
  Svoboda, Petr, Montreal Canadiens, 1986, {1}
  Sydor, Darryl, Dallas Stars, 1999: Tampa Bay Lightning, 2004, {2}
  Sykora, Petr, New Jersey Devils, 2000,  Pittsburgh Penguins, 2009, {2}
  Taglianetti, Peter, Pittsburgh Penguins, 1991–92, {2}
  Talbot, Jean-Guy, Montreal Canadiens, 1956-57-58-59-60-65-66, {7}
  
negative.code: O'Connor, Herbert “Buddy”, Montreal Canadiens, 1944–46, {2}
  Odelein, Lyle, Montreal Canadiens, 1993, {1}
  O'Donnell, Sean, Anaheim Ducks, 2007, {1}
  Oduya, Johnny, Chicago Blackhawks, 2013-15, {2}
  Olausson, Fredrik, Detroit Red Wings, 2002, {1}
  Olczyk, Eddie, New York Rangers, 1994, {1}
  Oliver, Harold, Boston Bruins, 1929, {1}
  