They are not guaranteed an automatic berth. They must either win their conference tournament championship or have a win/loss record that is enough for an at-large bid.
The Defending Champion of fifa world cup is Italy
To furnish with a champion; to attend or defend as champion; to support or maintain; to protect.
Serena Williams (USA)
Rafael Nadal (Spain)
Australia is the defending champion of the cricket world cup 2011
India is the defending world cup champion.India won the world cup in 2011.
He is world number one, and will be the defending champion for a few events in 2010, but he is not the reigning champion of any major.
Mitch Seaveyis the defending champion.