Old football joke:
The Packers and the Vikings were having the usual who was better and decided to have an ice fishing contest. At the end of the day, they met to square off on the total catch. Well, the Packers caught 150 fish between them. Vikings zip. So after demanding a rematch, the Viking coach sent a spy to their side of the lake. The spy returned and when asked whats up by the coach, he exclaimed, "Their cheating!!! they are drilling holes in the ice!!!!