This time of year, major league baseball fans are talking about two things:  The All-Star game, scheduled for next Tuesday at Citi Field in New York, home of the Mets, along with July 31st.

That's the date of baseball's trade deadline.

There's lots of conversations about who are buyers and who are sellers.  And, as always, there is some talk about some of the big names in baseball perhaps changing homes.

ESPN.com senior writer David Schoenfield takes a look at the five biggest trades in July...not necessarily the best trades, but those involving baseball's biggest names.