Remember Brent Seabrook getting ready to go when it was actually Duncan Keith's turn in the home opener?
Remember the home opener? Re-introducing the Stanley Cup Champion Chicago Blackhawks to the home crowd, including player-by-player introductions. That included Brent Seabrook's first time stepping on the ice with his new alternate's 'A', and this moment (helpfully and wonderfully GIF'd by sheercompulsion):
... Welp. It's not quite foreshadowing, but it's a little indicative of the situation at hand now. Seabrook is a leader, but he's not quite Duncan Keith.