LSU CB Tyrann Mathieu is undergoing regular drug testing from an anonymous but certified drug testing company in an effort to show NFL teams he's clean before the 2013 Draft.
Mathieu also plans to attend the Senior Bowl to "mingle" with NFL people as he attempts to quell character concerns. Mathieu's representation promises that Tyrann will have had "32 tests" to show the NFL he's clean after alleged drug abuse at LSU. For now, Mathieu is training with former LSU teammate Patrick Peterson in Arizona. He's bulked up to 182 pounds after being listed at 175 at LSU. If Mathieu does enough to repair his image before the draft, he could be a value pick in the middle rounds.
Source: New Orleans Times-Picayune