Concussions don't worry Jahvid Best
DETROIT -- Jahvid Best's first of three concussions -- that he knows about -- happened in a terrifying sequence in college.
Best leaped into the end zone and landed on the back of his head, from about 8 feet in the air, in a game that ended his career at California.
"If I can come back from that one, this one should be a piece of cake," he said Monday.
The speedy running back had a second concussion in a preseason game last year and his third on Oct. 16, ending ...
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