Sports Cowboys’ Dak Prescott says he hasn’t been playing his best ball but is ‘100% healthy’ December 16, 2021 Jori Epstein, USA TODAY Comments Off on Cowboys’ Dak Prescott says he hasn’t been playing his best ball but is ‘100% healthy’ After witnessing high-caliber offensive play from the Cowboys in September and October, fans wonder: Is Dak Prescott healthy? What's gone awry?