Chiefs offensive tackle Donald Stephenson was suspended by the NFL for the first four games of the regular season Friday for violating the league's performance-enhancing substance policy, a massive blow to an already unsteady offensive line. Stephenson remains eligible to participate in all preseason practices and games, including Saturday night's contest against Minnesota. The Chiefs said in a three-sentence statement that they were informed of the positive test on Friday and expressed disappointment in losing Stephenson, but declined further comment. Stephenson said in a statement issued through the NFL Players' Association that he took a medication that requires a therapeutic-use exemption and failed to properly investigate it. More...