Ref explains use of index card to measure 1st down

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBGXrfe.img?h=100&w=100&m=6&q=60&o=f&l=f&x=454&y=155One of the most baffling scenes unfolded on a football field Sunday night when, in measuring whether the Dallas Cowboys attained a critical fourth-quarter first down, referee Gene Steratore produced an index card out of his pocket...

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