More because the more rushing yards, the farther you run or carry the ball. Also, in fantasy football you get points for rushing yards.
As of the 2008 season: 1) Randall Cunningham - 4,928 rushing yards and 29,979 passing yards 2) Steve Young - 4,239 rushing yards and 33,124 passing yards 3) Fran Tarkenton - 3,674 rushing yards and 47,003 passing yards 4) Steve McNair - 3,590 rushing yards and 31,304 passing yards 5) John Elway - 3,407 rushing yards and 51,475 passing yards 6) Donovan McNabb - (through 1 game of the 2008 season) 2,965 rushing yards and 25,765 passing yards 7) Jim Harbaugh - 2,787 rushing yards and 26,288 passing yards
Through 2010, Brian Westbrook has 6,335 rushing yards and Willie Parker has 5,378.
In college, Earl Campbell finished with 4,444 rushing yards and Billy Sims ended up with 3,813 yards. In the NFL, Earl Campbell had 9,407 rushing yards in an eight season career and Billy Sims had 5,106 yards in a five season career.
1) Roger Craig of the 1985 San Francisco 49ers (NFL) - 1050 yards rushing and 1016 yards receiving.2) Brian Westbrook of the 1998 Villanova University Wildcats (College D-1AA) - 1046 yards rushing and 1144 yards receiving.3) Marshall Faulk of the 1999 St. Louis Rams (NFL) - 1381 yards rushing and 1048 yards receiving.
Seattle Seahawks running back Shaun Alexander lead the NFL in rushing yards in 2005. He amassed 1,880 yards on the ground, 20 yards more then the runner up, NY Giants Tiki Barber who had a total of 1,860 yards.
Emmit Smith holds the following official NFL Records: * Most Russing Attempts (Career) - 4,409 * Most Yards Gained (Career) - 18,355 * Most Seasons w/1,000 yards or more Rushing - 11 * Most Consecutive Seasons w/1,000 yards or more Rushing - 11 * Most Games 100 yds or more Rushing (Career) - 78 * Most Rushing TD's (Career) - 164
Ahman Green of the 2003 Packers with 1883 rushing yards and 367 receiving yards.
Adrian Peterson has more than Chris Johnson
Timmy Smith - 204 rushing yards in Super Bowl XXII.