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HOUSTON, TX - JANUARY 07: Head coach Jack Del Rio of the Oakland Raiders questions a call on the sideline during the first half of the AFC Wild Card game against the Houston Texans at NRG Stadium on January 7, 2017 in Houston, Texas. (Photo by Bob Levey/Getty Images)

HOUSTON, TX - JANUARY 07:  Head coach Jack Del Rio of the Oakland Raiders questions a call on the sideline during the first half of the AFC Wild Card game against the Houston Texans at NRG Stadium on January 7, 2017 in Houston, Texas.  (Photo by Bob Levey/Getty Images)