Cardinals go for RB Williams in 2nd round

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Kentucky wide receiver Randall Cobb, right, poses for photographs with Ryan Williams, left, before the first round of the NFL football draft at Radio City Music Hall on Thursday, April 28, 2011, in New York. (AP Photo/Stephen Chernin) By Stephen Chernin Kentucky wide receiver Randall Cobb, right, poses for photographs with Ryan Williams, left, before the first round of the NFL football draft at Radio City Music Hall on Thursday, April 28, 2011, in New York. (AP Photo/Stephen Chernin) By Stephen Chernin

TEMPE, Ariz. (AP) -- The Arizona Cardinals pulled off a surprise in the second round, picking running back Ryan Williams of Virginia Tech with the 38th pick overall.

On a roster that already includes Beanie Wells and Tim Hightower, running back didn't appear to be a need, but the Cardinals obviously felt otherwise.

A hamstring injury slowed the 5-foot-9, 212-pound Williams last season, but he rushed for 1,655 yards in 2009.

Among the players the Cardinals passed on was quarterback Ryan Mallett of Arkansas.