LeBron James and Blake Griffin should consider themselves lucky ... 'cause Bears TE Martellus Bennett tells TMZ Sports he could be PUNISHING the NBA if he'd chosen the roundball life.
Bennett was showing his skills at the Gridiron Celebrity Hoops charity game in Phoenix this past weekend ... absolutely bruising other stars like Romeo Miller and fellow NFL'er Dez Bryant.
But when we asked Bennett -- who was an All State hoops player in high school -- if things would be different against the best in the world he seemed oddly ... confident.
A lot more confident than Pete Carroll was in Marshawn Lynch. #NeverLettingItGo.
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