04/22/2015 1:15PM

Kentucky Derby Clocker: War Story, Mr. Z work five furlongs

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LOUISVILLE, Ky. – After several slow days on the Kentucky Derby workout front, things began to pick up Wednesday morning at Churchill Downs, where both War Story and Mr. Z turned in five-furlong works and American Pharoah really got to stretch his legs for the first time since arriving here last week.

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