Hockey is also a rough game Angel feels he can participate in, because it's played indoors, and most of the games are at night.

And therefore, it was the sport he had hoped Connor would play (going out of his wy to buy a jersey, and a cute little hockey stick.) I had always associated that scene with him brooding about Connor.

Oh! That's beautiful. I'd forgotten all about that. So Angel was probably honest when he said he was brooding.

Or, he chose the game for Connor because he had a pre-like for it because of the aforementioned night/indoors reason (and no, the extreme violence doesn't hurt either.)

Or, it's a shout-out, since I think DB is on the record as a huge Flyers fan. (Yay Philly!)

Nothing wrong with shout-outs.