Rumors continue to swirl around LeBron's future destination when he becomes a free agent this offseason. Whispers about "The King" potentially landing in San Antonio are growing louder, and the Cavaliers great added fuel to those fires - albeit unintentionally - in a birthday tweet to the Spurs' Coach Popovich Sunday.

"Happy Bday Coach Pop!! One of the best to ever do(in my opinion thee best) and even more great guy! #Respect" the tweet read.

LeBron's tweet had been retweeted more than 10,000 times in less than 24 hours, and hundreds of comments linked the tweet to James' possible signing with the Silver and Black.

Some fans begged for James to sign with the Spurs:

Others speculated how good the Spurs could be with Lebron:

And one Twitter user even photoshopped LeBron in a Spurs jersey:

Whether Avery Johnson, whose jersey has been retired by the Spurs, approves of the new "number 6" has yet to be confirmed.