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NFL chief medical officer: We have to be ruled by science, not schedule

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Dr. Allen Sills, chief medical officer for the NFL, talks to TODAY’s Craig Melvin about why the NFL decided to postpone a Thanksgiving Day game between the Baltimore Ravens and Pittsburgh Steelers due to COVID-19 concerns. “We’d all like to get back to a sense of normalcy,” he says, but adds, “we have to be ruled by the science, not by the schedule.”