In the 3 rough losses in the last games the Kings had, goaltending held up ok enough, but the Kings. at this point, aren't able to dictate their pace they like and force the other good teams to play their game, and not the other way around. The best they looked in that sense was against the Oilers in the 1st period of that game, but it's the Oilers, you ain't telling McDavid and Draisaitl to play the game they don't want to do, which is how the Oilers were able to even things out in the 2nd.
I think the game was going to be lost against the Leafs was when Matthews came in during the 1st and had quality shots and chances. Even though, he wasn't on the scoresheet, he helped set the tone on how this game was going to go. This leads to the Kings playing from behind mentally in that sense which is going to harder to dig deep, get the quality shots and rebounds and 2nd shots needed to get goals. Plus, Martin Jones is in net. The Kings have had their struggles against him, no matter how well Jones has played good or bad in his career, since they traded him. PK was fine, which is a plus compared to last year, but everything else right now seems very sluggish.
Also, I'm sorry Jingle, but Nylander playing at a pace where he's going to want Pastrnak money. The only sell the Leafs have to Nylander taking a discount is that no great team has the cap space to sign a guy like him since those slots he would fill are already filled. Unless he likes winning, he could go to a team like the Ducks. They got a lot of space and could use a big FA signing. Play wing with fellow Swede, Leo Carlsson, and be a mentor for him?