Okay, so maybe he didn't quite full Daredevil on them, but whenever he heard something going down, he would "accidently" stumble in on them and interupt things, and if the perpetrator has a problem, well, maybe his dad-who-was-a-boxer taught him a few moves and who can blame him for defending himself, right?

+bonus points if he saves Foggy like this at some point
+moar bonus points if Foggy says "So that's how you did it you bastard." after he finds out about Matts supersenses.