NFL free agency. Trades and signings of impending free agents can't become official until Wednesday at the earliest, but Monday kicked off the first big waves of activity and Tuesday saw a number of signings and trades as well.

Here's the latest news and everything you need to know about the first major wave of NFL player movement this spring.

With no trade struck thus far, the Rams plan to release Kupp after the NFL's new league year begins on Wednesday, according to ESPN's Adam Schefter (via Rams Wire ). It's still possible that a last-minute trade could get done, but that seems unlikely.