Cowboys awarded Thaddeus Gibson on waivers

The Cowboys were awarded veteran defensive end Thaddeus Gibson on waivers from Tennessee on Tuesday, the NFL disclosed in its daily transactions. Gibson, 26, has had stints with Tennessee, Chicago, Houston, Washington, San Francisco and Pittsburgh. Gibson (6-2, 243) was a fourth-round pick of the Steelers in 2010. Dallas also signed undrafted rookie defensive tackle…