Day, whose mother moved from the Philippines to Australia 30 years ago, lost his grandmother, an uncle and six cousins in Typhoon Haiyan, which thus far has claimed nearly 4,000 lives, CNN reported.
"I am deeply saddened to confirm that multiple members of my family lost their lives as victims of Typhoon Haiyan," Day, 26, ranked No, 18 in the world on the Professional Golfers Association Tour, said in a statement released by the PGA. "My family and I are thankful for all who have reached out with their prayers and concern."
He is scheduled to participate in the World Cup of Golf in Melbourne, Australia, this weekend, and was seen practicing at the Royal Melbourne course with golf partner Adam Scott Monday.
Celebrity Breakups and divorces of 2014 [PHOTOS]