I've checked your Alumni list, there are some errors.
I don't know why some players from the list are bold but they've been already in old NHL games.
I posted the NEW Alumni faces which were never before, especially in NHL 19.
Old players - Kurri, Niedermayer, Selanne, Giguere, Roenick, Handzus, Kobasew, Neely, Bourque, Briere, Biron, Campbell, Regehr, Gilmour, Coffey, Ruutu, Chelios, Mikita, Sakic, Forsberg, Roy, Hannan, Johansen, Umberger, Modano, Hull, Arnott, Gonchar, Dionne, Datsyuk, Lidstrom, Robitaille, Gretzky, Messier, Pronger, JokinenS, Gomez, Coyle, Robinson, Beliveau, Lafleur, Cournoyer, Geoffrion, Weber, Salvador, Stastny, Potvin, Leetch, Spezza, Salo, Clarke, Clark, Jagr, Lemieux, Jackman, Joseph, Nabokov, St. Louis, Antropov, Zubrus, C. Mason, Plante, Bower, Phillips
Check me if I wrong.
NEW
Anaheim - Adam Oates. Generic in NHL 19.
Arizona - Mike Gartner. Generic in NHL 19.
Arizona - Keith Tkachuk has NO face yet. Check carefully.
Boston - Brad Park. Generic in NHL 19.
Boston - Jean Ratelle. Generic in NHL 19.
Boston - Johnny Bucyk. Generic in NHL 19.
Boston - Hodge has NO face yet. Check carefully.
Buffalo - Phil Housley. Generic in NHL 19.
Buffalo - Dale Hawerchuk. Generic in NHL 19.
Calgary - Al Macinnis. Generic in NHL 19.
Calgary - Joe Nieuwendyk. Generic in NHL 19.
Chicago - Michel Goulet. Generic in NHL 19.
Chicago - Glenn Hall. Generic in NHL 19.
Detroit -
Sid Abel has NO face yet. Check carefully.
Detroit - Gordy Howe. First appearance.
Detroit - Steve Yzerman. First appearance.
Edmonton - Glenn Anderson. Generic in NHL 19.
Hartford -
Bobby Holik has NO face yet. Check carefully.
Montreal -
Howie Morentz has NO face yet. Check carefully.
Montreal -
Henri Richard has NO face yet. Check carefully.
New Jersey -
B. Morrison has NO face yet. Check carefully. And didn't have in NHL 15 too.
Islanders - Brian Trottier. Generic in NHL 19.
Ottawa -
Wade Redden has NO face yet and never had like you described in previous threads before. Check carefully.
Philadelphia -
Darryl Sittler has NO face yet. Check carefully.
Toronto - Mats Sundin. Generic in NHL 19.
Toronto -
Salming has NO face yet. Check carefully.