June 20, 2011 02:00 PM

Sara De Boer/Startraks

Baby D has arrived!

Jennie Finch delivered her and Casey Daigle‘s second son, Diesel Dean Daigle, on Sunday, June 19 at 10:25 p.m., the couple confirm to PEOPLE exclusively.

Diesel weighed in at 8 lbs., 2 oz. and is 22¼ inches long. He joins big brother Ace Shane, 5, at home.

“We are so completely grateful and beyond blessed,” the Olympic softball star, 30, tells PEOPLE.

“Casey and I are excited for our sweet precious Baby D! Ace couldn’t be any more pumped to be a big brother to Diesel.”

RELATED: Jennie Finch’s Pregnancy Blog

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