FLORHAM PARK, N.J. (AP) — Brady Cook is going from undrafted rookie to NFL starting quarterback this week.

New York Jets coach Aaron Glenn announced Friday that Cook will make his first regular-season start Sunday against the Jaguars in Jacksonville.

Cook took the snaps with the starters this week and coach Aaron Glenn said on Friday that Tyrod Taylor and Justin Fields were ruled out for the game. Neither practiced during the week while dealing with injuries.

“I have all the confidence in the world,” Glenn said of Cook. “That’s something I’ve stated, you know, from the very beginning. He’ll be a good player in this league. And he’ll have his opportunity again this week.”

Adrian Martinez, who was signed earlier this week, will serve as the backup to Cook.

Cook will become the 55th

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