NFL Offseason Dominoes Left to Fall in June

Summertime is here.

OK, so technically summer doesn't begin until June 20. But Memorial Day weekend has come and gone, and that marks the unofficial beginning of summer.

It's also past the first of June—and that marks an important date on the NFL calendar.

Now that we're into the month of June, we should see player movement once again ramp up. The reason is simple: By waiting until after June 1 to trade or release a player, an NFL team can spread out any prorated bonus money over two years as opposed to just one.

Confused yet?

Here's an example. Let's say a player is signed to a four-year pact that includes $10 million in bonus money. One year into the deal, the team realizes that player isn't a…