"The Browns have been doing their due diligence and investigating the possibility," Silver said on Tuesday's edition of Up to the Minute Live. "I've learned that at least three teams in the top eight have been contacted by the Browns and discussions have taken place about the prospect of moving up. Now this is something that would likely happen in real time when these teams were on the clock because obviously if the target is Mitchell Trubisky and he goes earlier than expected, then those discussions would be moot.