Week Eight of the 2011 NFL season brought five quarterbacks who passed for 300 yards or more and six running backs who rushed for 100 yards or more.

The quarterbacks who passed for 300 yards or more in Weed Eight are as follows:

Rivers, San Diego  369  LOSS
Rothisberger, Pittsburgh  365  WIN
Manning, NYGiants  349  WIN
Flacco, Baltimore 336  WIN
Jackson, Seatlle  323  WIN

The WON/LOSS record of the teams of these quarterbacks in Week Eight was 4 WINS/1 LOSS, for a winning percentage of 80%

Teams whose quarterbacks who passed for 300 yards or more have shown a marked improvement in WINS/LOSSES over the past two weeks. In Week Seven, quarterbacks who passed for 300 yards or more had a record of 3 WINS/0 LOSSES last week. Over the past two weeks, the WIN/LOSS record for teams with these quarterbacks have a record of 7 WINS/1 LOSS.

The running backs who rushed for 100 yards or more in Week Eight are as follows:

McCoy, Philadelphia  185  WIN
Jackson, St. Louis  159  WIN
Gore, San Francisco  134  WIN
Jackson, Buffalo  120  WIN
Foster, Houston  112  WIN
Bush, Miami  103  LOSS

The WON/LOSS record of the teams of these running backs in Week Eight was 5 WINS/1 LOSS, for a winning percentage of 83%.

Teams whose running backs who rushed for 100 yards or more in Week Seven had a WON/LOSS record of 6 WINS/1 LOSS. Over the past two weeks, the WON/LOSS record for teams with these running backs have a record of 11 WINS/1 LOSS.
Year-to-date, this is how these statistics bear out:

500 YARD PASSERS
1 WIN/0 LOSSES  100% Winning Percentage

400 YARD PASSERS
3 WINS/7 LOSSES 30% Winning Percentage

300 YARD PASSERS
38 WINS/29 LOSSES  57% Winning Percentage

100 YARD RUSHERS
46 WINS/13 LOSSES  78% Winning Percentage

200 YARD RUSHERS
2 WINS/0 LOSSES  100% winning percentage

TWO 100 YARD RUSHERS ON THE SAME TEAM
1 WIN/0 LOSSES  100% Winning Percentage

BOTH A 300 YARD PASSER AND 100 YARD RUSHERS
3 WIN/1 LOSS  75% Winning Percentage

Currently, quarterbacks who pass for 300 yards or more will ultimately lead their teams to a 9 WIN/7 LOSS record by the end of the season.

Currently, running backs who rush for 100 yards or more will ultimately lead their teams to a 12 WIN/4 LOSS record by the end of the season.

Even though Week Eight of the NFL season showed another vast improvement for teams whose quarterbacks passed for 300 yards or more, it is still clear that to succeed in the NFL and win games, running the ball well will go a long way in producing wins for your team.

(Statistics from NFL.com)