Are we gonna see 4th line Kuzy?
Aside from the Ovi/Mantha possible swap, these are the same lines as in the past two games. Kuzy and Johansson both played around 16 mins vs Arizona, and Kuzy played 18 mins against Minnesota. With Dowd out, Lavi is effectively trying to run four lines with at least two top-9 calibre players on each (if we assume Hathaway and NAK are 4th liners).
With Mantha very much seeming the 13th/14th forward most nights, even with Dowd out, you have to assume his days in DC are limited. This is exactly how Lavi handled Vrana and Sprong before their trades - lower and lower ice time before repeatedly scratched. I wouldn’t be at all surprised if they try to move him (and possibly Alexeyev) for a bona fide top-4 defenseman, maybe with term or an extension agreed.