Mr Zaffiro said he was travelling in the UK when he found out his kidneys were failing after being sent for tests.
“About a year later I had my transplant,” he explained.
“As the years progressed, I got a lot healthier, and just having the opportunity to join the club makes all the difference.
“We are all dealing with the same things.”
England and Wales won the three-match series 2-1 against Australia to win the 2025 Transplant Ashes.