The Cowboys are making a big addition to their special teams unit. Dallas has signed veteran long snapper Trent Sieg to a one-year deal. Sieg has spent the first five seasons of his NFL career with the Raiders after going undrafted out of Colorado State in 2017. The Cowboys former long snapper, Jake McQuaid, signed with the Detroit Lions earlier this week. In other team news, Dallas has re-signed defensive end Takk McKinley. The former first round pick spent the latter part of last season on the Dallas practice squad.