Dallas Cowboys are adding veteran LB Rashaan Evans to help replace Leighton Vander Esch
Dallas Cowboys' Leighton Vander Esch has successful surgery, could return in 6-8 weeks
Sources - Cowboys LB Leighton Vander Esch could miss 4-6 weeks - ESPN
Leighton Vander Esch gets positive neck injury update
Cowboys LB Leighton Vander Esch undergoes neck surgery, Sports
Leighton Vander Esch injury update: MRI revealed right shoulder stinger - Blogging The Boys
The Dallas Cowboys are shaky at linebacker ahead of free agency
Leighton Vander Esch - Wikipedia
The four-year evaluation: Analyzing the Cowboys' 2018 NFL Draft class for quality - The Athletic
Leighton Vander Esch to IR, will have offseason surgery