Here's some Rams Running Back Records:
Steven Jackson Career Rushing: 10,138 yds, 131 Games (Gurley is at 3,296 yds, 44 Games after 3 seasons)
Marshall Faulk Career Rushing Touchdowns: 58 from 1999-2005
Marshall Faulk & Eric Dickerson Career Rushing Average (Tied) 4.8 yds per rush (Gurley currently 7th at 4.2 yds per rush)
Eric Dickerson Single Season Rushing: 2,105 yds in 1984 (Gurley's best last year at 1,305 yards)
Marshall Faulk Season Rushing Touchdowns: 18 (Faulk did it twice; last time in 2000)
Marshall Faulk Season Total Yards: 2,429 (1,381 rushing & 1048 receiving) in 1999.
Dan Towler Season Rushing Average: 6.8 yards per rush in 1951 (Dickerson best is 5.6 yards per rush in 1984; Gurley 4.8 yards per rush in 2015 as his best of the three seasons)
Willie Ellison Single Game Rushing: 247 vs. Green Bay 1971 (Dickerson 248 in Playoff Game vs. Dallas 1986)
Marshall Faulk Single Game "Rushing" Touchdowns: 4 vs. Minnesota Vikings in 2000.