Do any NBA players ever wear two different numbers during their career and why? - Quora
Nick Collison says former Thunder star Kevin Durant deserves to have jersey retired by OKC
Want to know why Nick Collison's number is being retired? It's the Thunder Way
Nick Collison - Wikipedia
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Thunder's Nick Collison retires after 15 years with franchise - NBC Sports
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Thunder's Nick Collison, last Seattle SuperSonics player left on Oklahoma City's roster, announces retirement
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Nick Collison, plus-minus god and Thunder culture-setter, retires from the NBA
Thunder veteran Nick Collison retires from NBA after 15 seasons
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