ESPN's Marc Stein talks Mavs in his chatter column

ESPN.com's Marc Stein is in Las Vegas and wrote various things he's hearing from folks attending some of the NBA Summer League games. Here are some Mavs related items: The early sense I get is that the Mavericks have little interest in using their midlevel exception -- which is back in their possession after Orlando confirmed its intention to match a five-year, $34 million offer to Gortat -- to play the restricted free-agent game again with Boston's Glen Davis. So all of you hoping for Big Baby in Dallas may have to put those thoughts away. Some notes about contracts: Shawn Marion's five-year, $38.6 million deal with Dallas comes with a trade kicker, incentive bonuses and an early termination option after the fourth season. Brandon Bass' contract in Orlando is a flat $4 million annually for four years with incentive bonuses and a player option for the 2012-13 season. And some other items: After his inclusion in the Shawn Marion deal and spending a day-plus as a member of the Grizzlies, Jerry Stackhouse won't clear waivers until week's end. But word is he's already drawing free-agent feelers from a handful of playoff teams, while readying for his return -- following a virtual season off in Dallas -- by apparently bossing summer pickup games at the University of North Carolina.