Hayhurst was scheduled to be the opening-day starter for Nettuno on March 30.
Wednesday on Sportsnet Tonight with Jeff Sammut on Sportsnet 590 the Fan, Hayhurst – who was planning on writing a book based on his Italian experiences — said left the country to accept a media job in the United States.
"It’s so lucrative, it would be stupid to pass up," he told Sammut. "I had to take it."
Hayhurst added his Italian club is "furious" with him for leaving given how difficult it is for them to attain work visas for American players.