O'Reilly was invited to attend Nashville's training camp on a professional tryout agreement Tuesday.
O'Reilly produced 10 goals and 30 points in 69 games with AHL Milwaukee during the 2023-24 campaign before adding two tallies and four assists in 15 playoff contests. He signed a one-year AHL contract with the Admirals in July and will likely return to the minors for the start of the 2024-25 campaign.