Sources
USA TODAY SportsDerrick Harmon injury update: Steelers rookie avoids season-ending injury https://t.co/7jMr7RBi4Y
Yahoo SportsSteelers first-round pick DT Derrick Harmon is expected to be out a month with an MCL sprain and will start the season on IR, per @RapSheet. Harmon injured his knee Thursday vs. the Panthers in Pittsburgh's final preseason game. https://t.co/bO9zxKGSHZ
Underdog NFLRap: Steelers DL Derrick Harmon (knee) expected to miss about a month. He could be candidate for IR with designation to return.




