ST. LOUIS, MO - DECEMBER 6: Aaron Donald #99 of the St. Louis Rams sacks Carson Palmer #3 of the Arizona Cardinals during a game at the Edward Jones Dome on December 6, 2015 in St. Louis, Missouri. (Photo by Michael Thomas/Getty Images)
ST. LOUIS, MO - DECEMBER 6: Aaron Donald #99 of the St. Louis Rams sacks Carson Palmer #3 of the Arizona Cardinals during a game at the Edward Jones Dome on December 6, 2015 in St. Louis, Missouri. (Photo by Michael Thomas/Getty Images)