Overwatch is clearly built, as Cliffy B puts it, on the "mad libs of combat" principle. Blizzard created a "Play of the Game" mechanic at the end of every match to showcase particularly impressive players so that they can share it online and generate more interest. It works.
Here are some cool plays that we found around the web, and an explanation of each for people who don't play. You should play though, because it just hit its open beta phase last night!