“To begin, Tennessee’s Byron Young isn’t young: He’s already 25. But there are also plenty of positives that should appeal to the 49ers, and those start with Young’s exemplary first step and burst. His measurables — a 250-pound frame and 4.4-second 40-yard dash — fall into the Dee Ford category, and that’s promising for a team still looking to replace Ford’s role as a speed-rushing complement to Bosa...Football Outsiders’ sackSEER metric projects Young to deliver 19.2 sacks over five NFL seasons. That’d represent solid value for a late-third-round pick, and the athleticism here suggests there’s upside beyond that. But Young projects to be a liability against the run, so drafting him would still require Jackson to make a second-year leap in terms of strength at the point of attack.