#Jaguars announced they are not picking up the option for TE Austin Seferian-Jenkins, which was for $4m.
— Adam Caplan (@caplannfl) February 18, 2019
Contract language was: option had to be exercised on or before 22nd day prior to 1st day of 2019 league year, which was today.
He'll be a free agent on 3/13.