With the July 31 trade deadline quickly approaching, many Major League Baseball teams will be looking to make the right moves in order to make a run in 2013 or to build for the future.
Teams like the Seattle Mariners, Chicago Cubs, Miami Marlins and Houston Astros have already made moves to build for the future, and figure to be some of the biggest sellers at the end of July.
On the other side of the spectrum, teams like the Texas Rangers, Oakland Athletics and almost every team in the American League East are all in the midst of playoff races, and will be looking to add that extra piece to help propel them into October.
Besides all of those teams, who else will be the biggest movers and shakers come July 31? Let's look.