Source: Steelers Believe TJ Watt Tore Pec
Steelers' T.J. Watt, Najee Harris exit vs. Bengals with injuries - The Athletic
What T.J. Watt's Torn Pectoral Muscle Means for the Steelers - Stadium
Steelers' T.J. Watt leaves Bengals game with concerning injury
Steelers' T.J. Watt facing lengthy absence after brutal injury update
Steelers downgrade star pass rusher T.J. Watt to out, will miss Week 3 matchup vs. Bengals with groin injury
Steelers get late FG in OT after Watt injured vs Bengals
Pittsburgh Steelers LB T.J. Watt Suffers Potential Season-Ending Injury - Sports Illustrated Pittsburgh Steelers News, Analysis and More
Source - Pittsburgh Steelers believe T.J. Watt suffered torn pec as he, Najee Harris leave OT win against Cincinnati Bengals with injuries - ESPN