Willingham was placed on paternity leave to attend the birth of his son, who weighed in at eight pounds, six ounces. Willingham will be away from the club for three days, as he's expected to return to action on Saturday against the Royals.
"His wife had the baby today and it was a boy, which is a good thing," manager Ron Gardenhire said. "Everybody is doing fine. He's with his wife and kids. He has three days."
Rogan was their third son, as they also have Rhett, 5, and Ryder, 2.