Just a quick tip for today - don't forget the people in the stands. There's no better background, in my opinion, than spectators who are really focused on the game. That beats just about any other kind of background you can find in the typical high school gym. If they're really going crazy I'll include a few shots of the crowd even if no players are in the frame. Of course, the reverse is true also - there's no worse background than people sitting around checking their cellphones or having random conversations with each other. That will suck the life right out of a sports photo.
This gallery includes a couple of seniors that I missed in previous games and a few more super-wide shots.