Henrik Stenson's final Masters prep suffered a blow on Monday when the Swede pulled out of the Shell Houston Open with the flu.
Stenson announced his withdrawal via Twitter, also sharing that he won't play a previously scheduled practice round at Augusta National ahead of Houston.
The world No. 2 still intends to play in the Masters.
In his last three PGA Tour starts, Stenson has finished in the top five in them all, including a runner-up finish at the Arnold Palmer Invitational. Stenson, who will turn 39 this week, had his best-ever finish at last year's Masters, finishing tied for 14th place.
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