"Oh, all right then, I did it. But you should have heard the way he was talking about Ron and Ginny! Anyway, he's got a nasty temper, you saw how he reacted when he didn't get in — you wouldn't have wanted someone like that on the team."
-- Hermione Granger (HBP11)
During the final tryout, for Keeper, Ron Weasley saved five and Cormac McLaggen saved only four, due to the odd circumstance of his flying off in the completely wrong direction on the fifth try. Hermione Granger, it transpired, had cast a Confundus charm on McLaggen from the stands (HBP11).
From the Web
WizardingWorld.com (Pottermore) features:
- Ranked: the best and worst Hogwarts Quidditch players
- Things you might not know about Quidditch
- A Blaggers guide to Quidditch
Harry Potter Wiki: Gryffindor Quidditch Team