Give Away Romo's #9 To Jaylon Smith

There will be another Dallas Cowboys player in the #9 jersey in the post-Tony Romo world after all ... linebacker Jaylon Smith has just acquired the number -- and fans are PISSED.

The Cowboys hadn't let anyone use the digit since Romo retired after the 2016 season ... but Smith was just assigned it this week, and the outrage has been palpable.

While Dallas has NEVER officially retired a jersey number, Troy Aikman's #8, Emmitt Smith's #22 and Roger Staubach's #12 haven't been given out since their retirements ... and many thought Romo would get the same treatment.

But, the Cowboys let the #9 go on Tuesday ... and with Smith being one of the biggest disappointments for Dallas in the 2020 season,…