The Sabres were coming off a two-day break between games, a rarity for them in what's been a condensed first-half schedule. Though they practiced Monday, Krueger felt the longer-than-usual wait period affected their start to the game.
The Maple Leafs outshot the Sabres, 11-5, in the first period and took the lead on a goal from Frederik Gauthier. Auston Matthews added a pair of goals in the second period, both times finding an open shot as a late man in on the rush.
It was a departure from the game the Sabres played when they last visited Toronto, a 2-1 overtime loss on Nov. 30. They were able to suppress the Maple Leafs' five-man attack in that game, holding them without a goal at 5-on-5.
"I felt we didn't really get the forecheck going," forward Victor Olofsson said. "I felt they came out really easy and we didn't get enough pucks deep on them. I feel like we could have probably stopped them a few times in our D-zone, too. We got running around a little bit too much.
"… It's a really skilled team, obviously. I think that it really starts with the forecheck. If we can slow them down right away, then they're not going to be able to come with speed."
The Sabres opened the third period on a power play. Dahlin put them on the board with a shot from the point as Sam Reinhart cut across the net, screening goaltender Frederik Andersen.