Nick Collison's family, friends, coaches savored his final NBA season
Thunder's Nick Collison, last Seattle SuperSonics player left on Oklahoma City's roster, announces retirement
Nick Collison will retire after 15th Thunder season, cementing 'lifer' status
Thunder No. 2 pick Holmgren to miss season with foot injury –
Oklahoma City Thunder retire Iowa Falls' Nick Collison's No. 4 jersey
An Ode to Steven Adams - Welcome to Loud City
Nick Collison will represent OKC Thunder at 2022 NBA Draft Lottery
The Last Sonic: Nick Collison retires from the NBA - Sonics Rising
Oklahoma City Thunder, Basketball Wiki