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Lawrence to undergo back surgery; Thornton has shoulder surgery

Dallas Cowboys defensive end DeMarcus Lawrence will undergo back surgery for a second consecutive offseason, executive vice president Stephen Jones said.

A date has yet to be set for Lawrence’s surgery and Jones didn’t want to get into much detail regarding it during Senior Bowl practices on Tuesday.

“I’m not comfortable talking about people’s medical conditions until we release it,” Jones said. “So just don’t get into all of that. … We’re not worried about any of them, let’s put it that way.”

Lawrence, who turns 25 in April, recorded only one sack in nine regular-season games.