Sources - Cowboys' Vander Esch's injury unrelated to neck surgery - ESPN
Leighton Vander Esch impressive, but road to 2018 DROTY is tough
The underrated emergence of Leighton Vander Esch - Dallas Sports Fanatic
Leighton Vander Esch - Wikipedia
Cowboys need Vander Esch who needs to play for that contract
Vander Esch Wins First Rookie Award in 13 Years
Is Leighton Vander Esch already one of the best linebackers in the NFL?
Vander Esch becomes 1st Bronco to win MW Defensive POY
Cowboys activate LB Leighton Vander Esch ahead of MNF vs. Cardinals
Excuse the typo: Cowboys botch Vander Esch's name on jersey
Patriots vs. Cowboys: Leighton Vander Esch won't play Sunday at New England (report)