The Dallas Cowboys are expected to place the franchise tag on DeMarcus Lawrence after contract talks with the defensive end fell through, per Adam Schefter of ESPN.

The two sides were hoping to agree upon a long-term deal but won't complete an extension before Tuesday's franchise-tag deadline. By tagging him, Dallas will prevent the 25-year-old from hitting the open market.

According to (via Charean Williams of Pro Football Talk), the franchise tag would pay out $17.5 million on a one-year tender for defensive ends.

Tom Pelissero of NFL Network previously reported Lawrence was looking for about $17 million per year in his next contract, equivalent to Olivier Vernon's current deal with the New York Giants. Apparently, the Cowboys weren't willing to match this on a multiyear agreement.

The fourth-year player is coming off by far the best season of his NFL career, tallying 14.5 sacks to earn his first Pro Bowl appearance.