... Cowboys created the trade value chart, it was revolutionary. The Cowboys manipulated the draft with remarkable efficiency.

As other teams picked up the concept, the chart began to lose its value. The biggest problem is the trade value chart has remained a constant over the years. While the chart varies slightly from team to team, it has not varied from year to year. Two major considerations have not been taken into account.

First, the economics of draft picks have changed drastically over the years. The value of picks at the top of the draft has diminished as the salaries have risen.

For example, the No. 1 overall pick in the 2009 draft, Matthew Stafford, received a contract making him one of the highest paid ...

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