Derek Jeter announced Monday that he and his wife, Hannah, welcomed their first baby late last week.

Jeter wrote that Kaius Green Jeter was born on May 5.

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Baseball Hall of Famer Derek Jeter waves to fans as he is honored by the New York Yankees before a game against the Tampa Bay Rays at Yankee Stadium on September 9, 2022 in the borough of the Bronx from New York City. (Jim McIsaac/Getty Images)

«Welcome to the world little man!!» he wrote on Twitter, tagging his wife Hannah.

The New York Yankees legend and his model wife began dating in 2012 as his baseball career was winding down. The two got engaged in 2015 and officially tied the knot in 2016.

The two already have three daughters together. Kaius will be the first child. Jeter’s family was with him at Yankee Stadium last September when the organization celebrated his Hall of Fame induction. His youngest daughter, River Rose Jeter, was not yet a year old.

Derek Jeter and his family

Baseball Hall of Famer Derek Jeter poses for a photo with his family and the Hall of Famers before a game against the Tampa Bay Rays at Yankee Stadium on September 9, 2022 in the Baseball District. Bronx of New York City. Jeter was honored before the game. (Jim McIsaac/Getty Images)

MLB PITCHERS EJECTED AND FINED AFTER NATIONAL ANTHEM GOES TOO FAR

The Yankees retired their iconic No. 2 in 2017.

He retired from the Yankees as the organization’s all-time leader in hits (3,465), doubles (544) and stolen bases (358). He took a chance and joined the Miami Marlins ownership team in 2017, but resigned and sold his interest just before the start of the 2022 season.

Hannah and Derek Jeter

Hannah Jeter and Derek Jeter attend the «The Captain» premiere during the 2022 Tribeca Festival at BMCC Tribeca PAC on June 12, 2022 in New York City. (Noam Galai/Getty Images for Tribeca Festival)

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Since then, Jeter has partnered with Brian Lee to launch arena club – a platform for exchanging and collecting sports cards for fans.