Kleiner recently asked me if I knew of any interesting philosophical discussions of issues raised in sports. Lo and behold, here’s a blog. It’s new to me, and I am sports-apathetic (unless it involves clip-in shoes), so I can’t vouch for its quality.
USUPhilosophy 
Mike Austin, a participant of that blog and a philosopher where I work, has edited a couple of volumes pertaining to running and football, the first of which includes a contribution by Nussbaum. (I’ve read neither.)
http://arunningabout.blogspot.com/
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There’s also Colin McGinn’s recent book:
And both he and Thomas Hurka have very high praise for Bernard Suits’ ‘The Grasshopper’:
http://colinmcginnblog.com/comments.php?y=08&m=10&entry=entry081004-081103
Click to access pass_games.pdf
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Camus on soccer (football)
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