Why do some football players make a diamond shape with their hands when they score?

When they score a touchdown, they sometimes put their hands in the air and make a diamond shape. How come?|||its a symbol for the rock, the ball is sometimes called the rock in football and basketball. some players like larry johnson are part of rocafella records sports(started last year) and are basically advertsing.|||Because they think they are the greatest thing in the world which is very typical of sports jocks.|||For some players it's a sign to their fraternity brothers. Steve McNair does his frat sign after every TD he throws for or scores.