A former walk-on at Northwestern University,[2] Carr earned a scholarship and became a starter in his junior year.

[9][10][11] Carr shined in the preseason, recording 14 catches for 153 yards and two touchdowns in the four games.

Despite a strong training camp and preseason, Carr was waived by the Patriots on September 2.

[23] Carr was waived by the Saints on January 11, 2021,[24] and re-signed to the practice squad two days later.

Through a five-hour procedure, he was able to donate his stem cells via a blood transfusion, which ultimately saved the life of the recipient, a retired locomotive engineer for the Union-Pacific railroad who had non-Hodgkin’s lymphoma.