In a statement on Twitter, Glenn McGrath said: "I deeply regret being involved."
The apology wasn't enough for many people.
Capped 124 times by Australia, the retired cricketer is the President and co-founder of the McGrath Foundation, which he set up with his wife Jane in 2002, following Jane's initial breast cancer diagnosis (she died in 2008).
The breast cancer charity has funded more than 100 breast care nurses around Australia.
McGrath's wife bought him a hunting rifle after his 500th test wicket.
Many speculated on the damage to McGrath's public reputation...