Answered October 15th, 2017

Todd Gurley has 127.7 yards from scrimmage per game this year, 26 per game more than his current high in a full season.

What is Todd Gurley's highest yards from scrimmage per game in a season?
2017Gurley2015Gurley2016Gurley127.799.575.8
NAMESEASONGMSYDS/GRUSH YDSATTRUSH AVGRUSH YDS/GRUSH TDREC YDSRECTRGREC AVGREC YDS/GREC TD
Todd Gurley20176127.75211234.286.84245233010.740.83
Todd Gurley20151399.51,1062294.885.11018821269.014.50
Todd Gurley20161675.88852783.255.3632743587.620.40
StatMuse has player-based season-level data for NFL going back to the 1932 season.