The Steelers biggest offseason mistake just came back to bite them, and everyone knew it was only a matter of time. Pittsburgh brought in DK Metcalf, moved on from George Pickens, and never replaced him at the deadline. On Sunday in Cleveland, the flaw finally cracked open. This loss wasn’t an accident. It was predictable, preventable, and entirely on the front office. Here’s how it happened, and what it means moving forward.