Dallas Cowboy's Running Backs

For some reason I was thinking about those late 1990's Denver Broncos runningbacks and that led me to think of the Dallas Cowboy's transition from Tony Dorsett to Hershel Walker to Emmitt Smith. Let's compare AFC to NFC bloodlines.

Denver:
1980-1983 No 1,000 Rusher
1984 Sammy Winder 1,153-4
1985-1988 No 1,000 Rusher
1989 Bobby Humphrey 1,151-7
1990 Bobby Humphrey 1,202-7
1991 Gaston Green 1,037-4
1992-1994 No 1,000 Rusher
1995 Terrel Davis 1,117-7
1996 Terrel Davis 1,538-13
1997 Terrel Davis 1,750-15
1998 Terrel Davis 2,008-21
1999 Olandis Gary 1,159-7
2000 Mike Anderon 1,487-15
2001 Terrell Davis 701-0
2002 Clinton Portis 1,508-15
2003 Clinton Portis 1,591-14
2004 Reuben Droughns 1,240-6
2005 Mike Anderson 1,014-12
2006 Tatum Bell 1,025-2
2007-2008 No 1,000 Rusher

Dallas:
1970-1971 No 1,000 Rusher
1972 Calvin Hill 1,036-6
1973 Calvin Hill 1,142-6
1974-1976 No 1,000 Rusher
1977 Tony Dorsett 1,007-12
1978 Tony Dorsett 1,325-7
1979 Tony Dorsett 1,107-6
1980 Tony Dorsett 1,185-11
1981 Tony Dorsett 1,646-4
1982 Tony Dorsett 745-5 Strike Season
1983 Tony Dorsett 1,321-8
1984 Tony Dorsett 1,189-6
1985 Tony Dorsett 1,307-7
1986 Tony Dorsett 748-5 Herschel Walker 737-12
1987 Herschel Walker 891-7 Strike Season
1988 Herschel Walker 1,514-5
1989 No 1,000 Rusher
1990 Emmitt Smith 937-11
1991 Emmitt Smith 1,563-12
1992 Emmitt Smith 1,713-15
1993 Emmitt Smith 1,486-9
1994 Emmitt Smith 1,484-21
1995 Emmitt Smith 1,773-21
1996 Emmitt Smith 1,204-12
1997 Emmitt Smith 1,074-4
1998 Emmitt Smith 1,332-13
1999 Emmitt Smith 1,397-13
2000 Emmitt Smith 1,203-9
2001 Emmitt Smith 1,021-3
2002-2003 No 1,000 Rusher
2006 Julius Jones 1,084-4
2007-2008 No 1,000 Rusher