You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: STATS FREAK 
Clue: Wilt Chamberlain & this '60s Celtic are the only NBAers to average more than 20 rebounds per game

Answer: bill russell


Question: Category: YOU ARE SO FOXY! 
Clue: The foxglove plant is the main source of this medicine used as a stimulant  in damaged heart tissue

Answer: digitalis


Question: Category: SPINELESS JELLYFISH 
Clue: Bully from "Tom Brown's Schooldays" who became reluctant hero of George McDonald Fraser series

Answer:
harry flashman