Pistons forwards Charlie Villanueva and Austin Daye used their Twitter pages to vent their frustrations on Monday.
However, neither will reveal exactly what they were upset about.
"This has been a very frustrating year," Villanueva posted late Monday afternoon. "It just only got worse today. I have never experienced, in my five years, what I have experienced this year."
Later, he posted: "Let's put it like this: I'd rather not say anything because I don't want to get fined," and later,
"I respect Joe Dumars so much that I will keep my mouth shut. Just needed to vent a little."
Daye, a rookie, made these posts:
"Everyone, I'm twisted (mad) right now, but when I'm in L.A., I'm going to work myself to death to try and get myself right for next year."
"Something happened to me today that won't ever happen again and I'm just venting right now, but I'm twisted mad and going to be ready for our game."