Ben Johnson isn't sweating a potential conflict of interest as Tom Brady juggles his roles as a broadcaster and Raiders minority owner ... telling reporters he thinks the whole conversation is actually a nothing burger.

The first-year Bears head coach met with the media ahead of Chicago's tilt with the Dallas Cowboys on Sunday ... which will see Brady serve as the commentator for the contest. Getty

It's pretty interesting ... as Brady's Raiders will welcome Da Bears to Sin City next week.

When asked if that will make him more cautious of the information he divulges to Brady before their teams square off, Johnson said not much will change.

"I've been careful [with] everything I've said since the season started," he said. "I've been in pure coach speak mode. So me, it's just

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