Source -- Steelers add 2nd Watt brother, FB Derek - ESPN
He just ran over you': The days when Derek Watt, not J.J. or T.J., was top dog - The Athletic
Derek Watt Joins Brother T.J. With Steelers, J.J. Jealous
JJ Watt Jokes That He Wouldn't Join The Steelers For The Vet Min, But Still Has Plenty Left In The Tank
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NFL Draft 2017: Wisconsin OLB T.J. Watt selected by Pittsburgh Steelers in first round - Bucky's 5th Quarter
Watt family reunion in the Steel City
Gerry Dulac: Why the Steelers might want a Watt in the backfield Sunday
Derek Watt Reportedly Agrees to Contract with Steelers; Joins Brother T.J., News, Scores, Highlights, Stats, and Rumors
Derek, TJ complete Watt bros 'trifecta', Waukesha Co. Sports