Raiders
I had to say Cowboys, because Raiders sucks!!
As of the start of the 2010 season, the Cowboys have won 339 NFL games, and the Raiders have won 355. However, the Cowboys have a better winning percentage (.579 vs. .548).
Dallas has five Super Bowl championships; the Raiders have three.
As of the 2008 season, that would be the Cowboys. The Cowboys have won 8 NFC championships and 5 Super Bowls. The Raiders have won 1 AFL championship, 4 AFC championships, and 3 Super Bowls.
Through the 2010 season, the Raiders lead the all-time series six games to four.
The Cowboys are one of the world's most popular and valuable sports franchises, particularly in the area of merchandising.
Apperances: Packers, 49ers, Redskins, Raiders, Colts, Cowboys, Patriots, Vikings, Dolphins, Giants, Steelers, Bills, and Broncos.
If you are talking total games, not even close. Since 1920 here are the top four: Chicago Bears with 672 wins Green Bay Packers with 634 wins New York Giants with 585 wins Washington Redskins with 540 wins
RAIDERS
The Steelers have won six times. The Cowboys and the 49ers have each won five times.
Raiders
In the 20th century, the San Francisco 49ers and the Dallas Cowboys each won five; the Pittsburgh Steelers won four. The Green Bay Packers won three, as did the Raiders and the Redskins.