Arizona Cardinals quarterback John Skelton has a low ankle sprain. Coach Ken Whisenhunt called the diagnosis "good news," considering Skelton had to be carted off the field in the fourth quarter of Sunday's 20-16 victory over Seattle. Read more: http://espn.go.com/nfl/story/_/id/8362756/arizona-cardinals-say-qb-john-skelton-low-ankle-sprain