It's hard to remember everything but here's a few, I'll have to update later.
The biggest one is Deron Williams. I really honestly believed the Pacers were going to make a run at him. I was wrong 50eleven times a billion.
Also, I suggested that many other teams would be involved in the attempt to sign Deron, but only two went after him. /failure
I predicted the Pacers would go 7 against the Heat. /failure
I predicted the Jazz would beat the Spurs. /megafailure
I don't remember my exact prediction on the Celtics but like many before me I really didn't think they would be as good as they were this past year. /Titanicdoesntevenmakeitoutofharborinsta'splodesint oaballofflames
After Paul had some really good games early on, I predicted he'd lead the Pacers in scoring the second half of the season just like Reggie did in his second season. /faceslamintowall
I'll add more when I think of it. Just reminds me that the majority of my predictions are wrong. As Bill Simmons would say, the lesson as always: I'm an idiot.