19 times the Dallas Cowboys took risks on troubled players

The Dallas Cowboys signed Aldon Smith on April 1, another chapter in the book of risky signings by the franchise.

Alonzo Spellman

 Ronald Martinez /Allsport

On July 28, 1999, after being out of football for a year, the Dallas Cowboys took a gamble and signed Alonzo Spelleman as a free agent after he was diagnosed and received treatment for bipolar disorder. 

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