Report: Derrick Harmon to miss 4-6 weeks but will not go on IR

An MRI confirmed the MCL sprain in the knee of Steelers first-round defensive lineman Derrick Harmon, Gerry Dulac of the Pittsburgh Post-Gazette reports. Harmon will miss 4-6 weeks, per Dulac, which means the 21st overall pick will be expected to mis... [448 chars]