Very cool scene. I like the fluidity of the fight, how routine it is for them, showing that as much as things change, they’ve done this before. The first sentence reads a little awkwardly—maybe a ‘the’ in front of inevitability would help? Not sure.
And yay for Montreal! It’s been a long time, but it’s a lovely and fascinating city. Definitely cold though.
A nice couple stories. Maybe some punctuation? He steps into a left handed haymaker. Before his fist even gets halfway around his body, Dean snaps a little knuckle punch just above the guy’s neck, under the ear.
Or a little something like that. I think you’re going for a rushed and confusing scene, but breaking up the scene shouldn’t hurt that intent.