It's a marvelous year for Mookie! First a World Series Champ, now a dad.

Betts and wife Brianna welcomed their baby girl Tuesday with a sweet Instagram post commenting on instant unconditional love: “Never knew what unconditional love meant or how it felt until I met this little princess,” Betts captioned the post. “Nov 6th 2018 is a day I’ll never forget❤️”

The post included three pictures: one of the three of them (dad, mom, and daughter); one of baby Betts weighing in at 6lbs 4.5oz; and my personal favorite, Mookie having some bare chest contact with his daughter, hilariously (and adorably) reminiscent of a new mom who just endured hours of labor.

Get ready for a lot of baby Betts pics! Mookie posted another update on Wednesday, with a side-by-side comparison of his daughter's and his identical sneering faces. Like Betts, like baby! Click through pictures to compare their lip curls.

No word yet on the new arrival's name, but for now Baby Betts has quite the ring to it!