Although the Celtics haven't brought him back, a potential return is still possible with Boston's two open roster spots. Griffin, who's been in Beantown for less than a year, had nothing but great things to say about his time on the Green Team, per Barstool Sports' Fore Play podcast.
Still a free agent, Blake Griffin talks up Celtics experience: 'Boston is unbelievable' : r/bostonceltics
Once a front-line NBA starter, Blake Griffin relishing his role as an agitator in reserve with the Celtics - The Boston Globe
A peek inside with the Celtics' Bus One Boys: 'You see some weird stuff' - The Athletic
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The Celtics aren't getting Kia-leaping Blake Griffin, but his willingness to adapt still makes him valuable - The Boston Globe
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Still a free agent, Blake Griffin talks up Celtics experience: 'Boston is unbelievable
Celtics president Brad Stevens on Blake Griffin's future with the team