I sent a LOR, SASE and a trading card to New York Islanders forward Jordan Eberle on Nov. 6th 2017. I got my card back signed and personalised on March 14th 2019! I used the Islanders address in the database:
Jordan Eberle
c/o New York Islanders
Barclays Center
620 Atlantic Avenue
Brooklyn, NY 11217-2004
USA