In a keeper league, I'd be reluctant to drop any of those guys right now for Conacher.
McDonald would be the guy if I had to -- just too injury prone. But he's also a guy that could have a sweet shortened season.

How deep is the league?

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Points-only, Full Keeper Dynasty League
Active roster (no starts, just total points): 12 FW, 6 D, 1 Goalie

Forwards: Ovechkin, D. Sedin, Stastny, Nash, Kesler, Ribeiro, B. Richards, Selanne, Hossa, Fleischmann, Whitney, Lecavalier, Alfredsson, Okposo, Plekanec, Doan, S. Kostitsyn

Defense: Goligoski, Campbell, Gonchar, Bergeron, Liles, McBain, Vatanen, Timonen, Visnovsky, Giordano, Wideman

Goal: Luongo, Holtby