Sources - Cowboys LB Leighton Vander Esch could miss 4-6 weeks - ESPN
A healthy Vander Esch sliding over to MLB spot, Sports news, Lewiston Tribune
Cowboys set to pay double the cost of Leighton Vander Esch's injury - A to Z Sports
Cowboys Decline 5th-Year Option For Vander Esch
Leighton Vander Esch undergoes offseason neck surgery
Cowboys LB Leighton Vander Esch likely headed to IR, National
Leighton Vander Esch set to hit IR with neck strain
Do the Cowboys have enough depth to replace Leighton Vander Esch?
Comparing Jaylon Smith and Leighton Vander Esch to determine which Cowboys LB is more valuable - Blogging The Boys
Cowboys LB Leighton Vander Esch likely headed to IR
Cowboys decline Vander Esch option, creating intrigue at LB - The San Diego Union-Tribune
Cowboys' Leighton Vander Esch Could Land on IR Because of Neck Injury, per McCarthy, News, Scores, Highlights, Stats, and Rumors