Good information here concerning tall WRs and 3-cone drill.
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Hayden Winks @HaydenWinks
14h14 hours ago
Re: Metcalf and his three come... Agility drills don’t really matter for big receivers, but it is decently important for small receivers. This makes sense given how big receivers are used in the NFL (vertical routes, red zone) vs. small ones (slants, near the line of scrimmage)
Hayden Winks @HaydenWinks
8 Mar 2019
Not a whole lot can be learned from the short shuttle and 3-cone drill for wide receivers over 6'2. >>>>
LINK to math proof showing no  short shuttle 3-cone connection to WRs over 6'2
Hayden Winks @HaydenWinks
8 Mar 2019
For WRs, the r-squared between SPARQ and PPR points per game over the rookie contract is 0.020. The SPARQ formula doesn't put enough weight into height, the forty, shuttle, or 3-cone. R-squared of just those four variables is 0.053 and with all SPARQ variables included its 0.063. >>>>
LINK graph
Hayden Winks @HaydenWinks
This isn't surprising to me, but there are
major differences between which NFL Combine drills matter when you separate receivers by size.
For 6'2+ receivers, the top two variables are the 10-yard split and broad jump.
For under 6'0 WRs, the top two are the shuttle and cone.
10:28 AM - 8 Mar 2019