In order to make it to the NHL, O’Ree had to keep a little secret from the Bruins.

Willie O’Ree became the NHL's first Black player on Jan. 18, 1958.

FILE - Former Boston Bruins' Willie O'Ree tips his hat as he is honored prior to the first period of an NHL hockey game against the Montreal Canadiens in Boston, in this Wednesday, Jan. 17, 2018, file photo. The Boston Bruins say they will retire the jersey of Willie ORee, who broke the NHLs color barrier. 22 jersey honored prior to the Bruins Feb. 18 game against the New Jersey Devils. (AP Photo/Charles Krupa, File)BOSTON – The Boston Bruins will wait to retire the number of pioneering Black hockey player Willie O’Ree until next year so that they can raise his No. The NHL said Thursday it asked the Bruins and O’Ree to postpone the ceremony until Jan. 18 -- 64 years to the day that he became the league’s first Black player.

FILE - Former Boston Bruins' Willie O'Ree tips his hat as he is honored prior to the first period of an NHL hockey game against the Montreal Canadiens in Boston, in this Wednesday, Jan. 17, 2018, file photo. The Boston Bruins say they will retire the jersey of Willie ORee, who broke the NHLs color barrier. 22 jersey honored prior to the Bruins Feb. 18 game against the New Jersey Devils. (AP Photo/Charles Krupa, File)OTTAWA, ON – Canadian Prime Minister Justin Trudeau says he keeps a signed hockey stick from “living legend” Willie O’Ree as a constant reminder of the work that remains to combat racism. The 85-year-old O’Ree played professional hockey for more than two decades, including 45 games for the Boston Bruins in 1958 and 1961.

FILE - Former Boston Bruins' Willie O'Ree tips his hat as he is honored prior to the first period of an NHL hockey game against the Montreal Canadiens in Boston, in this Wednesday, Jan. 17, 2018, file photo. The Boston Bruins say they will retire the jersey of Willie ORee, who broke the NHLs color barrier. 22 jersey honored prior to the Bruins Feb. 18 game against the New Jersey Devils. (AP Photo/Charles Krupa, File)BOSTON – More than 60 years after he broke the NHL's color barrier, Willie O’Ree will soon add another milestone to his career. 22 jersey retired prior to the team's Feb. 18 game against the New Jersey Devils.