"Paulina and I are happy to announce the arrival of our baby boy, who was born in Los Angeles on Monday morning," Dustin Johnson wrote in the statement sent to ABC. "Both Paulina and the baby are healthy, resting comfortably and in great spirits! We sincerely appreciate the outpouring of love and support we have received and plan to release further details in the coming days!"
Paulina announced she was expecting last September and announced it was a boy in December.
Johnson is a PGA pro with eight titles to his credit, while Gretzky is a model, who has appeared on the cover of magazines like Maxim.