Chelsea great Gianfranco Zola forced BT Sport host Jake Humphrey into an apology after swearing live on air.
The Italian icon was a guest pundit for the West Londoners' visit to West Ham - who he used to manage - and he turned the air blue just minutes into the show.
BT showed a montage of Zola's best goals for Chelsea - including several against the Irons.
And after a selection of the former striker's superb direct free-kick goals were shown, former Hammer, and Zola's fellow pundit, Rio Ferdinand said: "None of that was accidental.
"It's only listening to people like Joe and Frank who went to Chelsea and played alongside him [Zola]...
"They used to speak about your work ethic and your practice.
"This wasn't an accident was it?"
Zola, 55, replied: "No no, absolutely not!
"It didn't come naturally. That's why when people tell me it was natural...
"Sorry, forgive me the word... it's bulls***.
"Forgive me that's a very strong word."
Ferdinand burst out laughing at the expletive but Humphrey moved quickly to say sorry to viewers.
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