Jermaine O'Neal has called off his comeback plans for now, the veteran big man announced Monday on Instagram. The Dallas Mavericks, one of several teams to express interest in O'Neal, were optimistic that they would sign the 18-year veteran soon after the All-Star break. Read more http://espn.go.com/nba/story/_/id/12334853/jermaine-oneal-says-not-ready-return-nba