The Pittsburgh Pirates had a big week this past week, going 5-1 against the Arizona Diamondbacks and the Philadelphia Phillies. The results showed up in the playoff projections, leading to a big increase in the Pirates' odds going forward. Just last week I wrote about how the Pirates managed to creep back into the playoff picture. Now they're in the process of moving up the list of playoff contenders.

Each week we will break down the playoff odds and projections from the top three projection sites: Baseball Prospectus, FanGraphs and ClayDavenport.com. Here are the latest projections.

Baseball Prospectus: 83.9 wins, 78.1 losses, 32.1% chance to make playoffs

The Baseball Prospectus odds had the Pirates finishing with 81.9 wins at the start of last week. In the span of one week, the...

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