Bill Russell's No. 6 is being retired across the NBA : NPR
Bruins push back Willie O'Ree ceremony
Willie O'Ree, 1st Black NHL player, reflects on his time in the
Bruins retiring number for Willie O'Ree, whose impact still
Bruce Cassidy, Bruins Salute Willie O'Ree Ahead Of Number Retirement
Bruins, Willie O'Ree agree to move number retirement ceremony to 2022
Bruins agree to reschedule Willie O'Ree's No. 22 retirement ceremony
Q&A: Willie O'Ree on NHL career, post-playing days, push for inclusion
Willie O'Ree, his number soon to be retired by Bruins, continues