What's in a name? Ask Paulina Gretzky

The mother of two also updated her Instagram bio to read, "Mama of Tatum & River", while Johnson posted the same hospital photo to his Instagram account.

O'Connor shared a photo of the baby at the hospital on Tuesday, writing, "Meet the lovely baby boy of Paulina Gretzky & Dustin Johnson". Gretzky gave birth to their son via scheduled c-section.

It is time for the second Major Championship of the year on the PGA tour. Gretzky announced the couple's second child on the way in February, sharing an Instagram snap of herself holding up an ultrasound photo and cradling her growing bump. "Name to come." He added that the pic was courtesy of Johnson's grandfather and former L.A. Lakers player, Art Whisnant, and that the family approved its release.

It's another boy for Paulina Gretzky and Dustin Johnson!

After the birth, Johnson flew from California to Wisconsin compete in this year's U.S. Open.

"It's been very fun the last couple of days, obviously having a new son on Monday was awesome", Johnson was quoted as saying by USA Today at a press conference in Erin Hills on Wednesday afternoon. "Everything is going really good".

The model and the pro golfer are already parents of 2-year-old son Tatum.

  • Julie Sanders