I was just referencing speed in general.
I would be interested to see your top 20 speed players regardless of position or draft spot.
List is from combine and pro days:
http://nfldraftscout.com/position-rankings/
https://www.sbnation.com/2018/3/2/17071512/nfl-combine-40-yard-dash-results-2018-fastest-times
My List
Defense
CB
Donte Jackson, LSU 4.32
Denzel Ward, Ohio State 4.32
Parry Nickerson, Tulane 4.32
Anthony Averett, Alabama 4.34
Tony Brown, Alabama 4.35
Jaire Alexander, Louisville 4.36
Avonte Adams, PITT 4.39
S
Troy Apke, PSU 4.34
Justin Reid, Stanford 4.40
Natrell Jamerson, Wisconsin 4.40
Dane Cruikshank, AZ 4.41
AJ Moore, Mississippi 4.41
Anthony Sherrils, Mizzou 4.43
Godwin Igwebuike, Northwestern 4.44
Tre Flowers, Oklahoma State 4.45
Derwin James, FSU 4.47
Terrell Edmunds, VT 4.47
LB
Shaquem Griffin, UCF 4.38
Lorenzo Carter, UGA 4.46
Leon Jacobs, Wisconsin 4.48
Roquan Smith, UGA 4.51
Malik Jefferson, Texas 4.52
Jerome Baker, Ohio State 4.53
Tremaine Edmunds, VT 4.54
Peter Kalambayi, Stanford 4.57
Matt Thomas, FSU 4.58
EDGE
Antonio Simmons, Georgia Tech 4.51
Josh Sweat, FSU 4.53
Marcus Davenport, UTSA 4.58
Ade Aruna, Tulane 4.60
Harold Landry, BC 4.64
Bradley Chubb, North Carolina State 4.65
DT
PJ Hall, Sam Houston State 4.73
Kentavius Street, North Carolina State 4.87
James Looney, CAL 4.89
DaRon Payne, Alabama 4.90
Julian Taylor, Temple 4.94
Bilaal Nichols, Delaware 4.95
Taven Bryan, Florida 4.98
Offense
RB
Nyheim Hines, NCST, 4.38
Ronald Jones II, USC 4.39 (est. - pulled hamstring)
Phillip Lindsay, Colorado 4.39
Saquon Barkley, PSU, 4.40
Ryan Green, FSU 4.41
WR
Jonah Trinnaman, BYU 4.30
DJ Chark, LSU 4.34
Jeff Badet, Oklahoma 4.34
Marquez Valdes-Scantling, South Florida 4.37
Saed Blacknall, PSU 4.37
Antonio Callaway, Florida 4.41
Robert Foster, Alabama 4.41
DJ Moore, Maryland 4.42
OL
Brian O'Neill, Pitt, 4.82
Desmond Harrison, W. Georgia, 4.90
Kolton Miller, UCLA, 4.95
Joe Noteboom, TCU, 4.96
Connor Williams, Texas 5.05