Klug in the 2013 NFL season
|No. 97 Tennessee Titans|
|Date of birth:||March 31, 1988|
|Place of birth:||Caledonia, Minnesota|
|Height:||6 ft 2 in (1.88 m)|
|Weight:||278 lb (126 kg)|
|High school:||Caledonia (MN)|
|NFL Draft:||2011 / Round: 5 / Pick: 142|
|Career NFL statistics as of 2016|
During his four-year career at Iowa, Klug appeared in 40 games with 26 consecutive starts to end his career. He tallied 140 tackles, including 31 for loss, 9.5 sacks, eight quarterback pressures, eight passes defensed, four forced fumbles and a fumble recovery.
Klug was drafted by the Tennessee Titans in the fifth round of the 2011 NFL Draft, 142nd overall. In the 2011 NFL Season, Klug led all rookie defensive tackles with 7 sacks, which exceeded initial expectations.
On March 13, 2015, Klug and the Titans agreed to a two-year contract extension.
In 2016, Klug appeared in 14 games with 3 starts recording 26 tackles, 1.5 sacks, and one pass defensed before suffering a torn Achilles in Week 15 and was placed on injured reserve.
On March 9, 2017, Klug re-signed with the Titans.
-  Karl Klug scouting report
-  Karl Klug statistics
-  Report: Titans sign DL Karl Klug to long-term deal
- "Titans Placing DL Karl Klug On I.R. With Torn Achilles". December 19, 2016.
- Wyatt, Jim (March 9, 2017). "Titans Agree to Terms with Karl Klug, Nate Palmer". TitansOnline.com.