Green bay, Chicago, Arizona and Cleveland have the top 4 players for separation so far this season (minimum 20 targets). This proves the stat isn't about how well a player separates during a route, given that the four players have at least 4 yards of separation. Do you believe Luke Musgrave, Cole Kmet, Ronald Moore and Elijah Moore separate better than everyone else? And to further that, do it at 4+ yards a clip?
2022, Cole Kmet again, Robert Tonyan , Dawson Knox, Greg Dortch and Tyler Conklin were the top 5, and all above 4 yards per.
Tee Higgins this season is 16th worst. 2022 he was 8th worst. 2021 the 6th worst. But he is a 100+ target guy with 1k receiving, while on a top offense with an elite QB.
Garrett Wilson is at 2.3 for the season, Allen Lazard is at 2.4, AJ Brown is at 2.5, Tyler Conklin is at 3.2. This proves that your top 3 receiving options are right inline with the 2nd most productive receiver in the league.
It is clearly a collaborative stat that doesn't hold much weight
based on how it's defined. Did Zach Wilson get battered yesterday like that IG video was showing? Was he unable to step into some throws which made them off target? Guess what that does to the separation stat per their definition..
Finally here are two small paragraphs from redditors about the stat since I didn't think I could say it better
The takeaway shouldn't be that getting open isn't a good thing, it should be that this metric really isn't showing a strong correlation with the quality of route running we know we can identify in other ways. Not to harp on Deebo, but his league leading "separation" mark of 4.6 average yards when he's only being targeted 2.2 yards down field on average is a pretty loud, blaring siren saying this metric isn't really showing us what so many people seem to think it is.
Another thought that comes to mind is the NFL is very zone heavy. Most defenses run zone coverage for the majority of their snaps. A separation metric makes more sense if your analyzing a receivers ability to beat man coverage, but in zone the receiver may not have any single person covering him and is moreso running through a "maze" of coverage. He is finding the hole in the defense, not beating a defender. This, this metric would be heavily reliant on read progression and timing as well as the receivers individual ability.