Offseason roster moves and search for No.1 center

Flyers traded for Woll, signed Acciari, lost Hathaway/Ersson. Failed offer sheet for Carlsson now seen as a bullet dodged; Ducks rushed Klepov. Zegras extended. Briere's patience strategy. Trade rumors for Larkin, Xhekaj, Wright, Marchenko persist. Internal power play fix planned. New contract efficiency analysis ranks Flyers 20th, up from 26th, highlighting need for surplus value with Michkov/Martone extensions looming.