Talks that were expected to formalise Pirlo's appointment as early as this week have stalled, with scheduled meetings in Rome on Monday called off, reports Sky Italia.
Pirlo had been the choice of technical director Paolo Maldini and advisor Leonardo after their approaches to both Pep Guardiola and Carlo Ancelotti were turned down, but questions over his role as global ambassador for Fonbet, and his links to Russian businessman Sergey Lomakin, president of United FC, have drawn political pressure that Malagò is said to be unwilling to ignore.
Pirlo addressed the controversy directly in a statement posted to Instagram.
"In recent days I have watched with great sadness the debate that has developed around my name and the possibility of taking on the role of head coach of the Italian national team. Out of respect for the institutions, the Federation and everyone involved, I chose to remain silent until now. However, I feel it is my duty to clarify a few points," he wrote, before addressing the substance of the criticism directly.
"Throughout my career, first as a player and now as a coach, I have always carried out my work in full compliance with the laws of the countries I have worked in and the contracts I have signed. The professional partnership at the centre of the recent controversy arose from my work in the United Arab Emirates and is purely commercial and sporting in nature. To attribute a political meaning to that partnership is to attribute to me beliefs I have never expressed and which are not mine."
He closed by thanking the two men who had pushed for his appointment: "I want to thank Maldini and Leonardo for the esteem and trust they have shown me... Love for Italy doesn't depend on a job. It's part of my history, my identity, and it will continue to accompany me, always."
Maldini and Leonardo could themselves resign if Malagò moves ahead with a different candidate, with reports in Italy suggesting Maldini secured full autonomy over the choice of head coach as a condition of taking the technical director role. Giorgio Chiellini and Antonio Conte have both been mentioned as alternative names should the Pirlo appointment collapse entirely.
Italy have failed to qualify for the last three World Cups, and Maldini and Leonardo were brought in earlier this year with a mandate to rebuild the national team's fortunes ahead of the 2030 tournament.
Their first choice, Guardiola, was seen as a near-impossible target given his commitments at Manchester City, while Ancelotti's declined approach left Pirlo as the pair's preferred solution for a long-term, attack-minded project.
The collapse of that plan, so close to being finalised, represents an early setback for the federation's new leadership and raises fresh questions about the search process itself should it need to restart from scratch.