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"Ryan Cook, RHP: Cook features one of the nastiest one-two punches in the bigs, with a mid- to upper-90s fastball and a diving slider that induces plenty of Ks... when it's working right. The problem has been keeping it in form. Cook slid into Oakland's closer role in mid-June, when he was featuring his best stuff and had a tidy 0.64 ERA. Then he lost the feel for his slider and blew seven of his first 18 save opportunities, costing him the ninth-inning gig. But things have returned to normal since mid-August, when Cook has allowed two runs and fanned 27 in 19.2 innings of work. Now, he bridges the gap in the 7th or 8th inning to get to Grant Balfour and gives the A's a lethal back of the bullpen."^^<http://www.w3.org/2001/XMLSchema#string>
<http://sportsday.dallasnews.com/texas-rangers/rangersheadlines/2012/09/23/photos-10-oakland-athletics-that-rangers-fans-should-know-for-the-season-ending-series>