Diggs underwent surgery on his ruptured ACL on Wednesday, Adam Schefter of ESPN reports.
The Cowboys placed Diggs (knee) on injured reserve Saturday.
Diggs was confirmed to have suffered a season-ending torn ACL after undergoing an MRI on his left knee following his early exit from practice Thursday, Tom Pelissero of NFL Network reports.
The Cowboys fear that Diggs suffered a torn ACL after he exited Thursday's practice with a knee injury, Ian Rapoport of NFL Network reports.
Diggs suffered a knee injury during Thursday's practice and is set to undergo an MRI, David Moore of The Dallas Morning News reports.
Diggs recorded a solo tackle while intercepting a pass and deflecting two others in the Cowboys' 30-10 win over the Jets in Week 2.
Diggs (toe) was a full participant during Tuesday's practice, Michael Gehlken of The Dallas Morning News reports.
Diggs (toe) was still doing individual drills in practice Monday, but he's making steps on his road to recovery, Casey Smith of SI.com reports.
Head coach Mike McCarthy told reporters Saturday that Diggs (toe) should be able to participate in practices next week, Todd Archer of ESPN.com reports.
Diggs is signing a five-year extension with the Cowboys, de reports.