Kane reacted to Nick Ritchie slashing him as both players headed to their respective benches by taking a 180-degree swing back at Ritchie in the third period.
Kane was handed a two-minute minor for slashing on the play.
Dumba’s fine stems from an unsportsmanlike incident that happened after the horn sounded to end the first period.
As Jets forward Joel Armia was skated back to Winnipeg’s bench, Dumba appeared to squirt a water bottle at him.
Dumba was given a two-minute minor on the play.
Armia found he incident laughable after the game.
“Of course it’s always funny when the other team gets angry or whatever,” he said. “I mean, that’s probably one thing we try to do every night, just work as hard as we can so the other team gets frustrated.”