Four rhymes with Orr, but it was an injury to Bruins defenseman Junior Langlois during training camp in 1966 that put the digit on the future Hall of Famer's back. As a rookie, Orr was given 27, but his first choice was 2, which he had worn in junior hockey. However, there was a catch: Boston had retired 2 in 1947 in honor of Eddie Shore. So Orr settled for 4 when Langlois failed to make the team.
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