How Cards will use Mathieu 

May, 5, 2013
5/05/13
10:48
AM ET
The Arizona Cardinals took a shot at former LSU defensive back Tyrann Mathieu in the third round of last week's draft. No one doubts his physical skills, but enormous questions remain about his dedication to football on and off the field. So much so, that we really have no idea what to expect from him as far as performance goes during his rookie campaign.