Mark Philippoussis has been served with a mortgage default notice on his home in Sydney, reports the Australian press. Philippoussis  allegedly borrowed $1.2 million to buy the home, which is now worth considerably less. The 34-year-old, who has had financial troubles before, has played a few tournaments on the senior circuit and recently expressed interest in returning to the ATP Tour. He's currently living in the U.S.—Matthew Cronin