Conversation so far:
What was Greg Norman doing in 1987?
Norman endured another setback at the 1987 Masters.
What was Greg Norman's setback at the 1987 Masters Tournament?
In his final round on the 18th green, Norman had a putt for a birdie that would win the tournament. The ball trickled over the cup, missing by millimeters.
In 1987 to 1990 did Greg Norman win any tournaments?
Norman won the Australian Masters in February 1987 and the Australian Open later in the year.
Did Greg Norman ever win any award or trophies in his career?
Although 1990 was not Norman's strongest majors year, he won the Vardon Trophy and Byron Nelson Award.
Were the Vardon Trophy and Byron Nelson Award the only ones Greg Norman has ever won?
He received the Golf Writers Association of America's Bartlett Award in 2008 for his philanthropic endeavors.
Are there any other interesting aspects about this article on Greg Norman besides his activities between 1987 to 1990 and trophies and awards?
In a reference to his blond hair, size, aggressive golf style and his birthplace's native coastal animal, Norman's nickname is The Great White Shark.“

Question: what happened in 1990?
Self-contained rewrite: What happened in 1990 to Greg Norman?