David Krejci heads to Czech Republic, won't return to Bruins
Longtime Boston Bruins center David Krejci announces retirement
David Krejci Announces His NHL Retirement : A Farewell Summer for the Bruins
David Krejci announces retirement from NHL
10 moments that defined David Krejci's 16 years with the Bruins
Boston Bruins David Krejci announces retirement at age 37
Bruins bring back captain Bergeron, and David Krejci, too
Bruins' David Krejci announces retirement
Forever grateful': Boston Bruins veteran David Krejci announces retirement – Boston 25 News
David Krejci officially stepping away from the NHL after 16 years