CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter
![CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter](https://pbs.twimg.com/media/FZ50kj3WIAAaNFz.jpg)
CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter
![CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter CBS Sports on Twitter: "Numbers retired league-wide across the four major North American sports: NBA: Bill Russell (6) MLB: Jackie Robinson (42) NHL: Wayne Gretzky (99) https://t.co/LuSWNBpBm2" / Twitter](https://pbs.twimg.com/media/FZ50iKPXkAM7-cW.jpg:large)