Alex Rodriguezhas taken the next step in his relationship with his girlfriendJac Cordeiro.The 14-time MLB All-Star, 47, made their romance Instagram official on Saturday, posing with Cordeiro and his two daughtersNatasha, 18, and 14-year-oldEllain front of a beautifully decorated tree during aChristmasparty in New York City.“From our hearts to yours, Merry Christmas,” Rodriguez wrote in the caption.He and Cordeiro, a fitness instructor and founder of Jacfit,were first romantically linkedin October, according to Page Six.Rodriguez opened up in September about the kind of father and partner he wants to be after his2014 suspension for using performance-enhancing drugs.“When I think about it, those mistakes are thebiggest gift and the biggest curse of my life,” he said on HBO Max’sWho’s Talking to Chris Wallace?Alex Rodriguez/Instagram"And I think about that every single day, that I did that to myself," Rodriguez continued. “And I hope that because of that mistake, the lesson is I get to be a better father, a better partner, a better friend, a better son. And hopefully, other players can learn from my mistakes.“A source previously told PEOPLE in September that Rodriguez and fitness modelKathryne Padgettbroke up after theybegan datingover the summer. “It just ran its course,” the insider said.Christian Petersen/GettyRodriguez andJennifer Lopezofficially called off their engagement last April, telling PEOPLE in a statement that they’re “better as friends and look forward to remaining so.” The couplebegan datingin 2017, and theyannounced their engagementin March 2019.Meanwhile, the former New York Yankee remains close with Natasha and Ella’s motherCynthia Scurtis, to whom he was married from 2002 to 2008.RELATED VIDEO: Alex Rodriguez Calls Ex-Wife Cynthia Scurtis a ‘World Class Mommy’ As They Reunite for WorkoutIn April, the four traveled to Memphis together, along with Scurtis' husband Angel Nicolas, to see the Grizzlies take on theMinnesota Timberwolves, of which Rodriguez is a part owner.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.“Memphis Bound. Two girls. Three parents. One goal: Winning #Game1,” Rodriguez captioned a group photo in front of their private jet.

Alex Rodriguezhas taken the next step in his relationship with his girlfriendJac Cordeiro.

The 14-time MLB All-Star, 47, made their romance Instagram official on Saturday, posing with Cordeiro and his two daughtersNatasha, 18, and 14-year-oldEllain front of a beautifully decorated tree during aChristmasparty in New York City.

“From our hearts to yours, Merry Christmas,” Rodriguez wrote in the caption.

He and Cordeiro, a fitness instructor and founder of Jacfit,were first romantically linkedin October, according to Page Six.

Rodriguez opened up in September about the kind of father and partner he wants to be after his2014 suspension for using performance-enhancing drugs.

“When I think about it, those mistakes are thebiggest gift and the biggest curse of my life,” he said on HBO Max’sWho’s Talking to Chris Wallace?

Alex Rodriguez/Instagram

Alex Rodriguez. https://www.instagram.com/stories/arod/2995029351763657494/

“And I think about that every single day, that I did that to myself,” Rodriguez continued. “And I hope that because of that mistake, the lesson is I get to be a better father, a better partner, a better friend, a better son. And hopefully, other players can learn from my mistakes.”

A source previously told PEOPLE in September that Rodriguez and fitness modelKathryne Padgettbroke up after theybegan datingover the summer. “It just ran its course,” the insider said.

Christian Petersen/Getty

Alex Rodriguez and Kathryne Padgett attend Game Seven of the 2022 NBA Playoffs Western Conference Semifinals between the Dallas Mavericks and the Phoenix Suns at Footprint Center on May 15, 2022 in Phoenix, Arizona

Rodriguez andJennifer Lopezofficially called off their engagement last April, telling PEOPLE in a statement that they’re “better as friends and look forward to remaining so.” The couplebegan datingin 2017, and theyannounced their engagementin March 2019.

Meanwhile, the former New York Yankee remains close with Natasha and Ella’s motherCynthia Scurtis, to whom he was married from 2002 to 2008.

RELATED VIDEO: Alex Rodriguez Calls Ex-Wife Cynthia Scurtis a ‘World Class Mommy’ As They Reunite for Workout

In April, the four traveled to Memphis together, along with Scurtis' husband Angel Nicolas, to see the Grizzlies take on theMinnesota Timberwolves, of which Rodriguez is a part owner.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

“Memphis Bound. Two girls. Three parents. One goal: Winning #Game1,” Rodriguez captioned a group photo in front of their private jet.

source: people.com