The Argentine was let go six months after he led the club to the Champions League final and after more than five years in charge.
Spurs appointed former Manchester United manager Jose Mourinho as his replacement on Wednesday.
Mourinho seeks quick fix to win over Spurs doubters
Pochettino has yet to give a statement on his sacking but his assistant Jesus Perez posted two photos on Twitter where he was pictured writing the message on the white board.
"Big thanks to you all," Pochettino wrote. "We can't say goodbye ... you will always be in our hearts."
Spurs players also posted messages on Twitter, thanking Pochettino for shaping their careers.
Tottenham Hotspur name Jose Mourinho as manager
"I'll be forever thankful to you for helping me achieve my dreams," striker Harry Kane wrote.
Gaffer. I’ll be forever thankful to you for helping me achieve my dreams. We’ve had some amazing moments in the last 5 and a half years that I will never forget. You were my manager but my friend as well and I thank you for that relationship. Good luck with your next chapter! 💙 pic.twitter.com/u64RXV7wd4
— Harry Kane (@HKane) November 20, 2019
Team mate Dele Alli tweeted: "He's taught me so much and I'm so grateful for everything he's done for me. Good luck and hope to see you again my friend."
I can’t thank this man enough. He’s taught me so much and I’m so grateful for everything he’s done for me. Good luck and hope to see you again my friend. pic.twitter.com/dUO6AJlMxR
— Dele (@dele_official) November 19, 2019
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ