With Carlos Beltran being welcomed as the newest San Francisco Giant and Edwin Jackson being added to the rotation of the St. Louis Cardinals, we can really expect to start seeing some action in the rumor mill and trade market.
This isn't just because the deadline is less than four days away, but also because the pickings are slim, and getting slimmer.
For several teams, some of which hope to make another trip to the playoffs after having their runs cut short in 2010 and some of which are hoping to put an end to a long playoff dry spell, these next four days are absolutely crucial. They'll need to make a move towards the little remaining talent on the trading block if they hope to keep those dreams alive.
Here are the five biggest transactions that could still happen which would give their respective teams a much needed boost to make a run towards the playoffs.