The All-Star Break is here, which means pennant races in baseball are now about to get serious. It's also the heat of the pennant race for fantasy leagues, many of which hold their postseason in the last couple weeks of August.

If you are in one of those leagues, then you have about one month left before it's time for the playoffs. The good news is, that's still enough time to make a trade or two to get your team in a better position to make a run.

Here are 10 players to buy and sell heading into Week 16 of the fantasy baseball season.