Jim Harbaugh spoke with his brother John Harbaugh before the Giants acquired J.J. McCarthy, per reporting from multiple outlets. John Harbaugh, the Giants head coach, confirmed the conversation took place ahead of the trade, according to Yahoo Sports.

Before the 2024 draft, Harbaugh had publicly praised McCarthy, his former quarterback at Michigan. The specifics of what Jim Harbaugh told his brother about McCarthy are not detailed in available reporting.

Russell Wilson, the former Giants quarterback, weighed in on the trade, telling CBS Sports that McCarthy could be a strong fit for New York and that the team needs him as much as the former first-round pick needs a fresh start. Wilson did not elaborate on the nature of the trade or when it occurred.