Tony Gonzalez says Colin Kaepernick completely undermined his national anthem protest by NOT voting in the elections last week ... telling TMZ Sports Kaep should've done more.
Kaepernick has admitted he skipped the polls last week ... saying both Hillary and Trump were too evil to deserve him casting a ballot.
He's been getting crushed for his decision to skip the process with some saying he had a duty to participate after all the controversy he's caused.
Add Gonzalez to that bunch ... when we got him out in L.A. he openly criticized Colin's move to stay home.
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