Cowboys MLB Sean Lee underwent surgery on his torn left ACL Thursday.
Coach Jason Garrett revealed MLB Sean Lee (knee) will undergo surgery to repair his torn ACL on Thursday.
ESPN Dallas doesn't expect Sean Lee (ACL surgery) to return this season.
Cowboys ILB Sean Lee will get a second opinion on his torn left ACL, but will likely undergo surgery in 2-3 weeks.
Chargers OLB Melvin Ingram returned from a 2013 ACL tear suffered on May 14 to play in San Diego's final four regular season games.
The Cowboys see Sean Lee's rehab as an 8-12 month process.
Cowboys ILB Sean Lee has been diagnosed with a torn left ACL, and is expected to miss the entire 2014 season.
The Cowboys expect an official diagnosis of ILB Sean Lee's left-knee injury by Wednesday morning.
The Dallas Morning News reports the Cowboys believe MLB Sean Lee has a torn left ACL.
A source tells Comcast SportsNet's John Middlekauff that the Cowboys are "fearing the worst" with ILB Sean Lee's left-knee injury.
ESPN's Ed Werder stated on NFL Insiders that Cowboys ILB Sean Lee will likely require an MRI on his knee.
Cowboys MLB Sean Lee was helped off the field with an apparent left knee injury on the first day of OTAs Tuesday.
Executive VP Stephen Jones made it clear the Cowboys have no intention of moving MLB Sean Lee to the outside.
Cowboys MLB Sean Lee (neck) has been cleared for offseason workouts.