Tiger Woods' long-time caddie, New Zealander Steve Williams, says he is shocked and disappointed to have been sacked.
Announcing the split, Woods said it was time for a change and, in a brief statement published on his website, thanked his former caddie.
"I want to express my deepest gratitude to Stevie for all his help, but I think it's time for a change," Woods' statement said.
"Stevie is an outstanding caddie and a friend and has been instrumental in many of my accomplishments. I wish him great success in the future."
Williams responded on his website saying the split after 13 years of loyal service came as a shock.
"Given the circumstances of the past 18 months working through Tiger's scandal, a new coach and with it a major swing change and Tiger battling through injuries I am very disappointed to end our very successful partnership at this time," the statement said.
The New Zealander has been working with Australian Adam Scott while Woods has been recovering from injury, and says he will be working for Scott on a permanent basis.
Tiger Woods, the former World No. 1, has been trying to rebuild his game and his private life following the breakup of his marriage after he confessed to a string of affairs.
Williams had been a regular caddie for the US golfer since 1999. Woods has slipped to No. 20 in the rankings.
