Upper St. Clair, Penn State product Sean Lee unfazed by Cowboys position change
After further review: Jaylon Smith and Leighton Vander Esch are hurting the Cowboys defense : r/cowboys
How Sean Lee is helping Leighton Vander Esch through his spinal injury
Inside the master plan to make Leighton Vander Esch a Cowboy - The Athletic
Does The Sean Lee News Affect LB, LVE's Future?
All Arrows Point Up” to Leighton Vander Esch Return on MNF - D210SPORTS
5 thoughts from Cowboys-Rams: Questionable play-calling late in game; injuries pile up for Dallas
Dallas Cowboys linebacker Sean Lee admits his role has dropped
Cowboys free agent: Leighton Vander Esch presents a tough decision - Blogging The Boys
Leighton Vander Esch - Wikipedia
Adding Leighton Vander Esch isn't the only big change at linebacker for the Cowboys - Blogging The Boys