The emergency quarterback rule has gotten a much-needed boost.
Last year, in the first year the rule returned, the emergency game-day quarterback had to be on the 53-man roster. This year, teams will be able to elevate the emergency quarterback from the practice squad.
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https://www.nbcsports.com/nfl/profootballtalk/rumor-mill/news/emergency-qb-can-now-come-from-practice-squad