In recent years, the Green Bay Packers have seen their secondary get burned with regularity. After a 5th-place ranking in defensive passing DVOA in 2015, the team followed that up with finishes of 23rd, 27th, and 28th in the past three years.
One plausible reason for these issues is a general lack of speed on the back end of the defense. However, since the 2017 NFL Draft, the Packers have drastically improved the raw straight-line speed of the player most responsible for pass coverage. Prior to that year’s draft, the average 40-yard dash time of the Packers’ cornerbacks was 4.