This year's TV revenue took a 40% jump from $5 to $7 Billion. The union borrowed by trading off future benefits to make the last 2 year's caps livable, and need to put that back in place. I could see next yea's cap jumping by $20M but no one knows or isn't saying that for sure. I haven't seen anything current on this.
The only deal that can change is the Directv one. The CBS/NBC/FOX/ESPN deals are all done for the foreseeable future. $20M seems like a lot.