The Arizona Cardinals and All-Pro defensive back Tyrann Mathieu have agreed to a five-year, $62.5 million contract extension, with $40 million guaranteed, a person with knowledge of the situation told The Associated Press on Tuesday. The big contract comes despite major injuries to both of Mathieu's knees in his first three NFL seasons. Mathieu was considered a risk when the Cardinals chose him in the third round (69th overall) in the 2013 draft, but he quickly developed into one of the team's top players and evolved into a vocal leader with no off-field issues. More...