Considering that it is August, post-season baseball is just two months away. With the playoffs looming, the way the standings will ultimately shake out could be determined relatively soon. 

Many of these determining factors come down to how teams can mesh, second half track records, and team health.

However, on each contending team, there are certain individuals that hold the key to contention for the remainder of the regular season. Heading into the second week of August, now is the time for the difference-makers to stand up and propel their team to meaningful wins.

Here are 15 game changing difference-makers on different contending teams that will help decide the fate of their respective clubs as the 2010 MLB season heads down to the wire.

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