When the Baltimore Ravens considered signing Colin Kaepernick ahead of the 2017 season, coach John Harbaugh sought advice from one "high-ranking U.S. military official" who offered his concern and suggested the team give the quarterback a set of rules regarding Kaepernick's national anthem protests.
TMZ Sports reported the official "didn't outright say, 'Don't sign Kaep'—but advised the team to give [Kaepernick] a set of specific guidelines he needed to follow if he wanted to keep his job."
This article will be updated to provide more information on this story as it becomes available.