much like a social security number an employer identification number ein is a federal nine digit number that identifies a business entity the internal revenue service irs issues eins and requires their use on all tax filings during the entire life of a business
Game used items such as the ball in which Mark McGwire hit his 70th home run of the 1998 season sold for $3 million. The most expensive piece of sports memorabilia ever sold at auction was a New York Yankees baseball jersey that was worn by Babe Ruth during the 1920 season.
But Goodell has delivered tremendously for the constituency that signs his checks: NFL owners. NFL franchises make up 27 of the 50 most valuable sports teams in the world, including the Dallas Cowboys, who rank first with a value of $4 billion, up 25%. It is the first time a non-soccer club has reigned as the most valuable team since 2010 (the first year Forbes compiled a top 50 list).