LeBron James says he's matured in his four years in Miami, and his handling of his Cleveland comeback makes it look as if he has certainly learned a few lessons.

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Friday afternoon he posted a farewell photo to his Instagram and Twitter accounts.

The photo, which says "Thanks for the memories," shows LeBron in front of a crowd of cheering Heat fans.

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He adds "Thank you as well!! Memories I'll never forget."

Social media reaction to the post was largely supportive.

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