Seattle Seahawks Rhattigan signed with the
Seattle Seahawks as an
undrafted free agent on May 13, 2021. He was waived by the Seahawks during final roster cuts on August 31 and re-signed to the team's
practice squad the following day. In doing so, he became the first Seahawks player on the roster from
Army. Before the team's season opener, he was elevated, and later signed, to the active roster. He was placed on
injured reserve on January 1, 2022. On July 26, 2022, Rhattigan was placed on the active/
physically unable to perform list, and on the reserve list on August 24 to start the season. He was activated on December 10. On August 30, 2023, Rhattigan was waived by the Seahawks and re-signed to the practice squad the following day. On September 28, he was promoted to the team's active roster after wide receiver
Cody Thompson was waived. On August 27, 2024, Rhattigan was waived by the Seahawks as part of final roster cuts.
Carolina Panthers On August 28, 2024, Rhattigan was claimed off waivers by the
Carolina Panthers. On August 26, 2025, Rhattigan was released by the Panthers as part of final roster cuts.
Pittsburgh Steelers On September 3, 2025, Rhattigan signed with the practice squad of the
Pittsburgh Steelers.
Las Vegas Raiders On October 7, 2025, Rhattigan was signed by the
Las Vegas Raiders. ==NFL career statistics==