By TERESA M. WALKER
AP Pro Football Writer
NASHVILLE, Tenn. (AP) - Shonn Greene has done enough sitting and watching the past few months.
Now the Tennessee running back is back on the field and couldn't be happier at how much better his right knee feels.
Greene took the first snaps Saturday at the Titans' initial training camp practice, his first work since having arthroscopic surgery in May on the same knee that cost him five games last season.
He says he was a bit hesitant, but his knee held up and felt pretty good.
The Titans need the veteran to show why he received a three-year contract in March 2013.
Chris Johnson was cut in April, and Greene must show he can stay healthy as the Titans look for someone to step up in a crowded backfield in training camp.
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