Based on post-Zegras trade comments, Briere and Flyers aren’t done addressing center – and the roster overall

Philadelphia Flyers general manager Daniel Briere could have entered his Monday afternoon press conference and essentially declared victory.
He had successfully executed a high-profile add in Trevor Zegras, a 24-year old forward with sky-high upside once viewed as a future NHL star. Briere's messaging just a few hours after the trade easily could have been: That's our big move, now we're going to sit back, make our draft picks this weekend, and ride into the summer sun.
Nope.
"This, hopefully, is just one piece of the puzzle," Briere announced.
In fairness, Zegras could indeed be a pretty big piece. After all, to be a key building block for the Flyers moving forward, Zegras doesn't even have...