NASHVILLE, TN - DECEMBER 11: Head coach Gary Kubiak of the Denver Broncos with head linesman John McGrath #5 after the hit on Chris Harris #25 by Harry Douglas #83 of the Tennessee Titans at Nissan Stadium, Nashville, TN December 11, 2016. (Photo by Joe Amon/The Denver Post via Getty Images)
NASHVILLE, TN - DECEMBER 11: Head coach Gary Kubiak of the Denver Broncos with field judge James Coleman #95 and head linesman John McGrath #5 after the hit on Chris Harris #25 by Harry Douglas #83 of the Tennessee Titans at Nissan Stadium, Nashville, TN December 11, 2016. (Photo by Joe Amon/The Denver Post via Getty Images)
NASHVILLE, TN - DECEMBER 11: Head coach Gary Kubiak of the Denver Broncos with head linesman John McGrath #5 after the hit on Chris Harris #25 by Harry Douglas #83 of the Tennessee Titans at Nissan Stadium, Nashville, TN December 11, 2016. (Photo by Joe Amon/The Denver Post via Getty Images)
NASHVILLE, TN - DECEMBER 11: Head coach Mike Mularkey of the Tennessee Titans looks at an official after being told a play was not challengeable against the Denver Broncos at Nissan Stadium on December 11, 2016 in Nashville, Tennessee. (Photo by Frederick Breedon/Getty Images)
NASHVILLE, TN - DECEMBER 11: Head coach Gary Kubiak of the Denver Broncos with head linesman John McGrath #5 after the hit on Chris Harris #25 by Harry Douglas #83 of the Tennessee Titans at Nissan Stadium, Nashville, TN December 11, 2016. (Photo by Joe Amon/The Denver Post via Getty Images)
