Tiger Woods withdraws from Northern Trust with oblique strain “Parting with Steve was a mutual decision and not an easy one to make,” Day told AAP.”He is the ultimate pro; it was a real learning experience being exposed to a caddie who has achieved what Steve has. He has worked with the best.”Long of the 10th green is no problem for @JDayGolf pic.twitter.com/89cmEPDajW— The Open (@TheOpen) July 14, 2019Day, whose preference to use analytical data seemingly clashed with Williams’ more traditional approach, added: “It was a disconnect of old school and new school. Williams, 55, had caddied for Day in six tournaments since June’s U.S. Open, with the former world No. 1 missing the cut in two, including the British Open, and securing just one top 10 finish.Day has now decided to end his partnership with Williams, a decision Day says was not taken lightly. Related News The Northern Trust: Patrick Reed gets first victory since 2018 Masters “Steve has become a friend, and I have a lot of respect for him. I thank Steve for everything he taught me.”David Lutterus will caddie for Day at this week’s BMW Championship at Medinah, near Chicago. The Australian is 50th in the FedEx Cup standings and will need a strong result in order to move into the top 30 and qualify for the season-ending Tour Championship.Williams previously was reported to have been the highest-paid sportsperson in New Zealand when he was carrying Woods’ bag. Jason Day is searching for a new caddie after he elected to part company with Steve Williams.Regarded as the world’s most successful caddie, Williams has worked alongside the likes of Peter Thomson, Greg Norman and Tiger Woods, whose bag he was on for 13 major victories between 1999 and 2011.