Getty Insider shares trade package for Erik Karlsson. The Pittsburgh Penguins are shopping star defenseman Erik Karlsson, and the Detroit Red Wings could be a potential landing spot. The Red Wings could use an upgrade on the blue line, and Karlsson would be a good mentor for Moritz Seider as well. With that, NHL insider Adam Gretz of Bleacher Report shared a potential trade between the Red Wings and Penguins for Karlsson. Red Wings acquire: Erik Karlsson Penguins acquire: Carter Mazur 2027