“I was in NYC and a black guy asked me if the Yankees won…” (joke)

The New York Yankees don’t have anything to do with the Yankees of the Civil War, but there’s a joke:
 
“I was in NYC and this black guy asked me if the Yankees won, I said, ‘Yeah Man, you’re free.’”
 
The joke was tweeted by Very Rude Tweets on July 19, 2012.
 
   
Wikipedia: New York Yankees
The New York Yankees are an American professional baseball team based in the Bronx, New York City, New York, that competes in Major League Baseball (MLB). The Yankees are a member of MLB’s American League (AL) East division. The Yankees are one of two Major League clubs based in New York, the other being the New York Mets.
   
Twitter
Very Rude Tweets
‏@VeryRudeTweets
I was in NYC and this black guy asked me if the Yankees won, I said, “Yeah Man, you’re free.”
10:20 AM - 19 Jul 2012
 
Twitter
The Funny Racist™
‏@TheFunnyRacist
I was in NYC and this black guy asked me if the Yankees won, I said, “Yeah Man, you’re free”
8:00 PM - 8 Nov 2013
 
Twitter
Racist Shit
‏@DopeRacistShit
I was in NYC and this black guy asked me if the Yankees won, I said, “Yeah Man, you’re free”
7:28 PM - 23 Jun 2014
   
Funny or Die
10 Great One Liner Jokes
By You Got Jokes!  Published October 10, 2014
(...)
I was in NYC and a black guy asked me if the Yankees won. I replied, “Yeah, man, you’re free.”
 
Facebook
UC Berkeley Confessions
April 20, 2015 ·
“I was in NYC and a black guy asked me if the Yankees won. I replied, “Yeah, man, you’re free.”“
 
reddit
I was in NYC and a black guy asked me if the Yankees won
submitted June 16, 2016 by mista_awesomeness
to which I replied, “Yeah, man, you’re free.”