Sherman was leaving the Nets game in Brooklyn along with some of his Seahawks teammates when a Denver fan started heckling at close range.
"Sherman, let's go Broncos, Sherman ... Demaryius is gonna OWN YOU this week!"
That's when some of Sherman's supporters got his back -- screaming back at the Denver fan.
You can hear one Sherman fan yell out, "Number one corner in the game. Number one f**king corner baby!!! Talk it -- we love it in New York!"
Lmao, stupid Bronco fan! Now he knows what a bronx cheer is!