The NFL Players Association on Wednesday released its annual report of team facilities across the league, and one team's owner was voted the worst of the worst. The post Guess Which NFL Owner Got the Only F From NFL Players Association Report Card?

That said, there are other teams that still need improving. This year, four NFL teams received F-minus grades in at least one aspect of the player survey. While this is an improvement from last year, when six F-minus grades were awarded, it shows there is still plenty of room to grow.