The Dallas Mavericks are closing in on signing former Orlando Magic point guard Jameer Nelson, according to sources briefed on the talks. Sources told ESPN.com that Nelson and the Mavericks, barring an unforeseen snag, are on track to formalize a contract Thursday, when Nelson visits Dallas. ESPN.com reported Tuesday that the Mavericks had arranged to fly Nelson into town for a face-to-face visit Thursday in the hopes of finalizing a deal via use of their $2.7 million room exception. Read more http://espn.go.com/dallas/nba/story...-jameer-nelson-close-signing-dallas-mavericks