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ARLINGTON, TX - AUGUST 19: Alfred Morris #46 of the Dallas Cowboys runs for against the Isa Abdul-Quddus #24 of the Miami Dolphins in the second quarter of a pre-season game at AT&T Stadium on August 19, 2016 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

ARLINGTON, TX - AUGUST 19:  Alfred Morris #46 of the Dallas Cowboys runs for against the Isa Abdul-Quddus #24 of the Miami Dolphins in the second quarter of a pre-season game at AT&T Stadium on August 19, 2016 in Arlington, Texas.  (Photo by Ronald Martinez/Getty Images)