"We're in good shape at running back [but] I wish we were in that good of shape at defensive end regarding Ware," Jones told radio station KRLD.
"We want to watch this. He's got the type of injury that if it comes back to fast, he doesn't have a tear there now, he doesn't have an imperfection.
"If he tries and goes to early, he could get an imperfection that's another world relative to how he'll be back."
The Cowboys currently lead the NFC East with a 4-3 record.