Former Spanish refereeing committee (CTA) vice president Jose Maria Enriquez Negreira threatened to expose Barcelona in 2019 after the Catalan club stopped making payments to his company, according to a burofax document published by El Mundo newspaper on Friday.
Negreira is being investigated by the Spanish prosecutor's office for receiving at least €1.6 million from Barca between 2016 and 2018 for consultancy work.
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El Mundo has revealed that the burofax, which Negreira sent in February 2019 to then-Barca president Josep Maria Bartomeu, threatened to reveal alleged irregularities of the club unless their partnership resumed.