White
white jersey with red numbers
Yes you can, it has to be the same color as your uniform.
blue
Blue and red
The number has been retired in honor of Willie Mays, probably the greatest player ever to wear a Giants uniform.
Blue
It depends on what the team decides to wear. They decide as a team on what color their jersey's should be. Sometimes the coach will pick the jerseys and jersey color.
it all depends on where you work.
The Giants will be wearing blue during the 2012 Super Bowl.
NFL teams don't have a home or road uniform they have a color and a white uniform most teams wear their color uniform at home, thus you will see most road team wearing white on the road. The Dallas Cowboys always wear white at home thus the road team is force to wear their color uniform. so even though Green Bay wears color at home you will see them wearing the color uniform on the road when they play the cowboys Some teams (jets,dolphins,redskins) wear white at home in the warm months (sept. Oct.) and color or alternate for the rest of the season.
it all depends on where you work.