Jaguars quarterback David Garrard injured his back, then left the practice fields through a back exit during Thursday night's training camp practice.
Despite wearing a red no-contact jersey, as all the Jaguars quarterbacks do, Garrard was knocked down at least once during an 11-on-11 drill late in practice. Garrard received attention from Jaguars trainer Mike Ryan on the sideline before leaving the field.
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