Congratulations are in order for Brooks Koepka and Jena Sims -- the golf star and his model wife just welcomed a baby boy!!
The married couple shared the exciting news on Thursday ... posting a pic with their new bundle of joy -- Crew Sims Koepka, who was born last week.
"I love my Crew," Brooks captioned his announcement on Instagram ... which shows the first-time parents smiling from ear to ear.
Jena detailed the whole experience .