Arnold was a favorite target of QB Trevor Lawrence and Rapoport went on to say the injury could knock him out 4-6 weeks. Based on the calendar, the injury could be season-ending as a result. O'Shaughnessy had a 3-29-0 line on five targets in Week 12, and likely steps into Arnold's role.
JAX TE James O'Shaughnessy - Week 10 Fantasy Football Outlook
Week 10 at Green Bay Packers
Despite rookie Jake Luton tossing for over 300 yards versus Houston last week, James O’Shaughnessy turned his two targets into just a nine-yard grab. He has not found the end zone this season and doesn’t make for a good option on the road Sunday.