And now, in a continuation of Beanie Is A PotterDork, I present to you...
Why Oliver Wood Is Going To Die
Sad, but true!
Well, maybe not entirely, but it's the most likely of the avaliable options.
Books 1-3. We meet Oliver, get to know him a bit, fall in love with how rad he is, la la~ He's the captain, he's not really all that close to Harry that we're shown, but he's there. Then in book 3 Oliver graduates and is So Long. ...but wait!
Book 4. Harry runs into Oliver at the World Quidditch Cup. Not only that, but we are told that Oliver got signed as a reserve to Puddlemere United. And that's the last we hear of Ol