Photo via New York Post

JJ McCarthy’s ‘immaturity’ problem has stunned Vikings staff

Read the original at New York Post ↗
Cite

Lemoncelli, J. (2026, September 18). JJ McCarthy’s ‘immaturity’ problem has stunned Vikings staff. New York Post. https://nypost.com/2026/09/18/sports/jj-mccarthys-immaturity-problem-has-stunned-vikings-staff/

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

New York Post · collected 2026-09-18 · by Jenna Lemoncelli

Quick Summary

Vikings head coach Kevin O'Connell decided to pursue quarterback Kyler Murray after struggling to develop rookie J.J. McCarthy due to issues with his immaturity and accuracy. An incident highlighted by ESPN involved McCarthy celebrating a touchdown five yards early despite being warned against it, which upset the coaching staff. This decision-making problem, along with other concerns, led O'Connell to sign Murray in March when McCarthy was demoted to third-string QB before the start of the 2026 season.
Written by AI on 2026-09-18, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

In December, J.J. McCarthy, a 2024 first-round draft pick for the Minnesota Vikings, celebrated scoring a touchdown against the Dallas Cowboys five yards before crossing the goal line during a game, despite being told not to do so in practice. This incident highlighted his immaturity and reportedly did not sit well with team staff. After struggling with accuracy issues and showing signs of immaturity, Kevin O’Connell, the Vikings head coach, decided this offseason to pursue quarterback Kyler Murray on a one-year deal, indicating that McCarthy had not developed into a game-changing player as expected. ESPN reported these decisions based on interviews with team and league sources.

Written for “JJ McCarthy NFL Issues” on 2026-11-03, grounded in this article and the 0 other(s) covering the same event.

Story

📰 JJ McCarthy NFL Issues
Sports · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 22% of its claims. Each row says how that neighbour differs.
Toronto Star
Hedges 0 of 5 claims Outlet record 64/100
“The articles discuss different aspects of Kyler Murray's situation with the Vikings, including McCarthy's immaturity issues and Murray returning from a concussion.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
18
sentences that state something as happening or true
Uncertain
22%
4 of 18 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Sports
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-18 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 16396 article(s) · 35 correction(s) detected
Running correction rate · 35 correction(s)

Who wrote this

Jenna Lemoncelli
76 article(s) here · 1 carrying a prediction
🔮 Packers coach Matt LaFleur anticipates running back Josh Jacobs will remain on the roster after new allegations of abuse against him were revealed.
🔮 “I would say Game 1 [of the Western Conference Finals] in OKC, Game 7 [WCF] in OKC, and Game 4 in New York.”
🔮 said that he will take an indefinite leave of absence from “PTI” and his NBA duties at ESPN and ABC on Monday in a message on social media.
🔮 Arizona’s kicker Chad Ryland hit a winning 42-yard field goal in overtime after missing a PAT that would have put the game away with six seconds left in regulation.
🔮 “So eventually, I had to ask myself a pretty simple question: If people don’t feel that connection when they look at the face, why wouldn’t we try to make it better?” Wade said on Substack.
🔮 Saleh explained that “everything about [trading Simmons] sucks,” but the Titans couldn’t say “no” to such an offer from Chicago.
🔮 The 36-year-old Tucker — who was accused of sexual misconduct by 16 female massage therapists — became eligible to return from suspension in November 2025, after he was released by the Ravens that May.
🔮 “… Keith will be great on Jupiter Links and I’m sure I’ll still be involved in some sort of fashion at some point.
🔮 “I’d estimate the New York Knicks’ championship rings could be worth up to $250,000 each,” Neil Dutta, managing director at jeweler Angelic Diamonds with over 20 years of jewelry design experience, told The Post.
🔮 But give me a call and I’ll explain what we think maybe going on and tell you how we resume. “
Also by Jenna Lemoncelli
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 76 articles by Jenna Lemoncelli →

Topics

Dallas ESPN Minnesota Vikings the Dallas Cowboys

Subjects

McCarthy PERSON · 10× Vikings ORG · 7× O’Connell PERSON · 6× Murray PERSON · 5× ESPN ORG · 4× Minnesota GPE · 3× Wentz PERSON · 2× J.J. McCarthy’s PERSON · 1× Kevin O’Connell PERSON · 1× Kyler Murray PERSON · 1×

Narrative

One thing that stood out in the lengthy article was McCarthy’s reported immaturity — and one instance that “did not sit well internally” when the 2024 first-round pick celebrated a touchdown against the Dallas Cowboys 5 yards before he crossed the line of scrimmage during a December clash, despite being told not to in practice.
framing: mixed · carried by 1 article(s) · first seen 2026-09-18
🔮 Vikings head coach Kevin O’Connell led the organization’s decision this offseason to pursue quarterback Kyler Murray after he and his staff could not solve J.J. McCarthy’s accuracy issues and develop him to be difference-maker, according to ESPN, which cited team and league sources.
2026-09-18 · New York Post
JJ McCarthy’s ‘immaturity’ problem has stunned Vikings staff · mixed framing

Claims (18 extracted, 4 hedged)

Vikings head coach Kevin O’Connell led the organization’s decision this offseason to pursue quarterback Kyler Murray after he and his staff could not solve J.J. McCarthy’s accuracy issues and develop him to be difference-maker, according to ESPN, which cited team and league sources. uncertain
which → lead → sources
One thing that stood out in the lengthy article was McCarthy’s reported immaturity — and one instance that “did not sit well internally” when the 2024 first-round pick celebrated a touchdown against the Dallas Cowboys 5 yards before he crossed the line of scrimmage during a December clash, despite being told not to in practice. asserted
he → stand → practice
At the time, McCarthy admitted he was warned not to repeat the celebration during a game. asserted
he → admit → game
“I did it in practice, and I was told not to do it,” McCarthy said after he threw for a career-high 250 yards in Minnesota’s 34-26 win over Dallas. asserted
he → do → Dallas
“So, just me being who I am, it’s like, ‘Oh, now I’m more enticed to do it.' asserted
I → ’ → it
O’Connell also made it clear at the time that he wasn’t happy about McCarthy’s celebration. asserted
he → make → celebration
McCarthy’s maturity level along with his decision-making and lack of quickness in the pocket seemingly played a factor in the Vikings choosing to sign Murray to a one-year deal in March after he was released by the Cardinals. asserted
he → play → Cardinals
The Vikings demoted McCarthy to third-string QB four days before they opened the 2026 season against the Packers. asserted
they → demote → Packers
Murray won the starting job, with veteran Carson Wentz as the backup. asserted
Murray → win → backup
Murray went down with a concussion on Minnesota’s third possession and was relieved by Wentz, who finished 12-of-19 for 133 yards with three touchdowns and no interceptions in the Vikings’ 39-22 victory over Green Bay. asserted
who → go → Bay
O’Connell pushed hard to trade up from No. 11 to No. 3 to select Maye in the 2024 draft, but the New England Patriots turned down then-Minnesota GM Kwesi Adofo-Mensah’s offer, according to ESPN. uncertain
Patriots → push → ESPN
O’Connell supported drafting McCarthy, 21 at the time, with a development plan that included veteran options in 2024 — such as Sam Darnold, now with the Seattle Seahawks. asserted
that → support → Seahawks
Upon drafting him, the Vikings thought McCarthy might need multiple years before it was time to play him, sources told ESPN. uncertain
sources → draft → ESPN
McCarthy missed his entire rookie season after suffering a torn meniscus in his right knee during the preseason. asserted
McCarthy → miss → preseason
The Vikings fired Adofo-Mensah in January, and they named Nolan Teasley as the team’s general manager on June 1. asserted
they → fire → June
Teasley has said that McCarthy’s story is “not written,” and O’Connell referred to him as “a guy that we want to pour into every single day,” according to ESPN. uncertain
we → say → ESPN
O’Connell said Friday that Wentz will be the team’s starting quarterback when the Vikings play the Bears in Chicago on Sunday. asserted
Vikings → say → Sunday
Murray participated in all three practices this week, and O’Connell added that he “fully anticipates” Murray clearing concussion protocol next week. asserted
Murray → participate → protocol
💬Give feedback
🕘History 🎫Support