Original: Emmitt James Smith , III ( born May 15 , 1969 ) is a former American college and professional football player who was a running back in the National Football League ( NFL ) for fifteen seasons during the 1990s and 2000s .
Simplified: Emmitt James Smith III ( born May 15 1969 in Pensacola , Florida ) is a former National Football League player who played for the Dallas Cowboys and Arizona Cardinals .