Running Back Speed Scores. Football Outsiders metric that mixes size and speed, they say it correlates better than either alone to NFL success. Average running back who makes it to NFL scores around 100. Ezekial Elliot was 112.7.
http://www.footballoutsiders.com/sta...eed-score-2017
2017 Speed Scores
Code:Player School Weight 40 Time Speed Score Len. Fournette LSU 240 4.51 116.0 Joe Williams Utah 210 4.41 111.0 T.J. Logan North Carolina 196 4.37 107.5 Jeremy McNichol Boise State 214 4.49 105.3 Marlon Mack South Florida 213 4.5 103.9 Dalvin Cook Florida State 210 4.49 103.3 De' Henderson Coast Carolina 208 4.48 103.3 Brian Hill Wyoming 219 4.54 103.1 Elijah McGuire Louis.Lafayette 214 4.53 101.6 Chris McCaffrey Stanford 202 4.48 100.3 James Conner Pittsburgh 233 4.65 99.7 Samaje Perine Oklahoma 233 4.65 99.7 Chris Carson Oklahoma State 218 4.58 99.1 Alvin Kamara Tennessee 214 4.56 99.0 Aaron Jones Texas-El Paso 208 4.56 96.2 Wayne Gallman Clemson 215 4.6 96.0 Jamaal Williams BYU 212 4.59 95.5 Kareem Hunt Toledo 216 4.62 94.8 Tarik Cohen N Carolina A&T 179 4.42 93.8 Stan Williams Kentucky 190 4.51 91.8 Corey Clement Wisconsin 220 4.68 91.7 Dare Ogunbowale Wisconsin 213 4.65 91.1 Rushel Shell West Virginia 227 4.74 89.9 Donnel Pumphrey San Diego State 176 4.48 87.4 Jahad Thomas Temple 190 4.63 82.7 Devine Redding Indiana 205 4.76 79.9