It took just two months into Tyrann Mathieu's rookie season for an award to come his way, as the Arizona Cardinals safety was named the NFC's defensive rookie of the month for October on Thursday. Cardinals safety Tyrann Mathieu was named the NFC's defensive rookie of the month for October, when he had 21 tackles, five passes defensed, one interception, one sack and capped the month with a pick of Atlanta Falcons quarterback Matt Ryan to complement his seven tackles in the Cardinals' 27-13 win. Source: ESPN.com markaz's Take: With what was thought to be one of the riskier picks in the 2013 draft, Mathieu has far exceeded expectations on and off the field.