The concussion issue is so complicated. Even doctors aren't in total agreement when discussing a player's susceptibility to them.
Epic evening in SF. On patio at local pizza joint having first Lagunitas IPA brew, watching the Giants and a reborn Barry Zito. Life is good.
Nadal solves the Djoker riddle, 6--3, 6--1. Yes, Djokovic's head and heart were surely elsewhere. But big win for Nadal nonetheless.