Back Spin is the 4th book in the Myron Bolitar series by Harlan Coben.
This novel was released in July 1997.
Back Spin book description
Kidnappers have snatched the teenage son of super-star golfer Linda Coldren and her husband, Jack, an aging pro, at the height of the U.S. Open.
To help get the boy back, sports agent Myron Bolitar goes charging after clues and suspects from the Main Line mansions to a downtown cheaters’ motel – and back in time to a U.S. Open twenty-three years ago, when Jack Coldren should have won, but didn’t.
Suddenly Myron finds him self surrounded by blue bloods, criminals, and liars.
And as one family’s darkest secrets explode into murder, Myron finds out just how rough this game can get.