Through the 2009 season, no.
For the Cowboys to beat the Giants three times in one season they would have to meet in the playoffs. The Cowboys and Giants have met only once in the playoffs, that being in 2007 with the Giants winning 21-17. The Cowboys had won both regular season games against the Giants that season.
Yes, 55 times in the regular season, as of November 1, 2010. The Giants beat the Cowboys 39 times, and they tied twice.
Once. On January 13, 2008, the Giants upset the heavily favored Cowboys, 21-17, in a divisional playoff game at Texas Stadium. The Giants went on to win the NFL championship.
The Dallas Cowboys have had three Super Bowl losses.
New york Giants, Cowboys 2 times and the Washington Redskins
The two rivals split the season's series. On October 25, 2010, the Giants outlasted Dallas at Cowboys Stadium in Arlington, Texas, 41-34. New York quarterback Eli Manning threw four touchdown passes, while Cowboys quarterback Tony Romo was knocked out of the game with a broken collarbone On Nov. 14, 2010, the Cowboys defeated Giants, 33-20, at New Meadowlands Stadium in New Jersey. Cowboys quarterback Jon Kitna passed for 327 yards and three touchdowns in the first-ever victory for interim head coach Jason Garrett.
Through the 2016 regular season, the Dallas Cowboys have played the Philadelphia Eagles 116 times in regular-season and playoff games. The Cowboys have played the Washington Redskins 114 times, the New York Giants 111 times, and the St. Louis/Arizona Cardinals 88 times.
The 1989 Dallas Cowboys were shut out three times: On Opening Day at New Orleans (28-0), on Thanksgiving Day against the Philadelphia Eagles (27-0), and in a late-season loss to the New York Giants (15-0). The Cowboys posted a 1-and-15 record in the first year of the Jerry Jones-Jimmy Johnson regime.
Dallas, Patriots, Giants
Through 2010, the Cowboys lead the all-time series six games to three.
Through the 2017 season, the Dallas Cowboys lead the all-time series 64-46-2. The total includes regular-season and postseason games.