Minnesota Vikings quarterback J.J. McCarthy welcomed his first child with fiancée Katya Kuropas on Friday. The couple welcomed a baby boy as the quarterback left the team facility on Thursday to be with his partner.On Instagram, Katya Kuropas shared a post introducing her son to the world. In one of the snippets, we see J.J. McCarthy holding the newborn in his arms. She also revealed the name of their son in the caption."Welcome to the world Rome Micah McCarthy. The sweetest, most perfect gift from God!! We are so unbelievably blessed to be your parents. 8.7 lbs 21in." Katya wrote. View this post on Instagram Instagram PostBack in May, McCarthy and his fiancée announced that they were expecting their firstborn together through a post on social media. It included the couple posing with her baby bump, along with a clip of them showing off a few ultrasound photos. They also stated that they were expecting the child in September.J.J. McCarthy started dating Katya Kuropas back in high school. The Vikings quarterback proposed to her in January 2024, starting a new chapter in their romance.She has been one of his strongest supporters throughout his football career. McCarthy is currently in the middle of his debut season as the QB1 of the Vikings after missing out on his rookie campaign due to a season-ending injury.Vikings star Justin Jefferson congratulates J.J. McCarthy on his firstbornThe four-time Pro Bowl wide receiver came forward to congratulate the Vikings quarterback on the birth of his first child.As per a tweet by ESPN's Kevin Seifert, Jefferson expressed his excitement for McCarthy's new journey as a parent. He also gave him a friendly reminder of their professional goals this season."If you seeing this now, congratulations my boy, congratulations," Jefferson said as per Seifert's tweet. "I'm excited for him for this new chapter, this new journey. But after you get done, come on back!"Kevin Seifert @SeifertESPNLINKJustin Jefferson as if he were speaking to J.J. McCarthy, as we await word on the birth of the QB's son: "If you seeing this now, congratulations my boy, congratulations. I'm excited for him for this new chapter, this new journey. But after you get done, come on back!"The Vikings started the season with a 24-27 victory over the Chicago Bears at Soldier Field last week. In that game, J.J. McCarthy completed 13 of the 20 passes he attempted for 143 yards and three total touchdowns, along with one interception.They next take on the Atlanta Falcons at U.S. Bank Stadium on Sept. 14. The game will be broadcast on NBC, Peacock, and NFL+ at 8:20 pm ET. Can McCarthy lead them to the playoffs in his first year as the starting quarterback of the team?