The NFL plans to announce a new annual NFL award, called the Deacon Jones award, given to the player with the most quarterback sacks in the NFL. The announcement is expected to happen during Deacon Jones' memorial service according to NFL.com's Ian Rapoport. This is only natural for the man that actually coined the term sack. Well, at least made it popular. Here’s the story, as told by former NFL coach Marv Levy, as assistant under Allen with the Redskins: "George was talking the night before in the team meeting about playing the Dallas Cowboys and their quarterback, Craig Morton. The term [sack] had never been used. It was always, ‘Tackle the QB for a loss.’ But the night before the game, George goes, ‘Before we play those Dallas Cowboys, we’re going to take that Morton salt and pour him into a sack.’ That was the inspiration for it.’’ Jones, who passed away earlier this month, is generally described as the best pass rusher in the history of the sport and would own virtually every quarterback sack record but sacks weren't an official statistic until after his 17-year career concluded. Source: SBNation.com
They could, but according to the Elias Sports Bureau, they can't do it because there is no uniformity. Reason being there was no standard definition of a sack before 1982 and if you did count them, then you are comparing different generations and they don't think it would work...