Seamus Casey is just 22 years old. Could he make the leap to the #NJDevils full-time this season? 👀 Check out jamesnicholsnhl’s full piece to read more about who stood out in today’s Rookie Showcase vs. NYI — also available on story & in bio: newjerseyhockeynow.com/devils-news-prospect-standouts-vs-islanders-anton-silayev-seamus-casey