There’s speculation in Memphis that Iverson might call it quits: “Allen Iverson is contemplating retirement if he doesn’t rejoin the Grizzlies, according to a source with knowledge of the veteran guard’s situation. Iverson left the team Saturday after receiving permission from Griz owner Michael Heisley to deal with a personal matter. The stress associated with a family issue plus Iverson’s frustration over playing a reserve role might spell the end of his 14-yea...