J.J. McCarthy’s role with the Giants could be changing fast.
After spending Week 4 as the emergency third-string quarterback in New York’s 36-24 win over the Arizona Cardinals, the former No. 10 overall pick may be in line for a bigger job against the Washington Commanders in Week 5. On Monday, head coach John Harbaugh left the door open for McCarthy to move up the depth chart behind Jameis Winston.
"I think that's a possibility. We'll see how it goes during the week, but that's definitely on the table."
McCarthy arrived in New York just days before the Cardinals game, when the Giants dealt a 2027 fifth-round pick to the Vikings for the 23-year-old quarterback. That timing made it tough to imagine him jumping straight into the backup role, especially with only a crash course in offensive coordinator Matt Nagy’s system under his belt.
But after a full week with the team, that picture has changed.
Harbaugh said after Sunday’s win that McCarthy was not especially close to seeing the field, even with Winston delivering a classic Jameis line: three touchdown passes, two interceptions and all the chaos that comes with him. Winston also led the Giants to touchdowns three times in Week 4, helping New York keep rolling since Jaxson Dart was replaced.
Still, Winston’s two picks were a reminder of why the Giants might want McCarthy ready sooner rather than later. As the emergency QB3, McCarthy would have been available only in the most extreme scenario. If he moves to QB2, New York would have more flexibility to use him in specific packages or turn to him if needed.
Harbaugh also acknowledged that the Giants had a few plays prepared for McCarthy against Arizona, though they never got close to using them. His mobility and athleticism offer something Winston doesn’t, and they more closely match the offense the Giants built around Dart.
That doesn’t mean McCarthy is guaranteed to make his Giants debut against Washington. Winston has won both of his starts, and if New York keeps winning, there’s a strong case for leaving the setup alone. Even so, if Harbaugh does promote McCarthy to the backup role, the possibility of seeing him enter the game becomes a lot more real.
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