Jack Eichel
Another player that the Kings are very familiar with as they play for a division rival is Jack Eichel. The Buffalo Sabres would trade him to the Golden Knights in 2021 and over the past four seasons has been a big part of Vegas' success.
This past season was his best as he had 28 goals and 66 assists with a +/- of +32 in 77 games. Now with the addition of Marner, these two are going to create a dynamic duo that the rest of the league will have a tough time defending.
While he is currently set to be a free agent, the Golden Knights are almost certainly going to get a deal done before then. They clearly have a vision of Eichel and Marner alongside each other for a long time and probably don't add Marner if they felt they might lose Eichel.
In the unlikely scenario that Eichel does leave, the Kings would be a great landing spot for the center and pairing him with Adrian Kempe could create a winning duo for Los Angeles.