Duke is investigating whether an NCAA recruiting rule was violated when coach Mike Krzyzewski reportedly offered a scholarship to a recruit during a summer tournament. Forward Alex Poythress told CBSSports.com that Krzyzewski spoke to him earlier this week while he was in Orlando, Fla., for a tournament with his AAU team, the Georgia Stars, and offered him a scholarship. NCAA rules prevent coaches from contacting recruits before they are finished playing in tournaments. Read more: http://espn.go.com/mens-college-bas...possible-mike-krzyzewski-recruiting-violation