Buster Posey continues to have an impressive postseason. The image below is an overlay of the pitch sequence in his at bat vs. LHP Antonio Bastadro in the 7th inning of last night's game (NLCS Game 4). Despite Bastardo only giving Posey one pitch in the zone he still fails to keep him off the bases.
Pitch Sequence with 2010 In Play SLG% Heat Map: Buster Posey vs LHP Antonio Bastardo (NLCS Game 4 - 10/20/2010). Bot 7, 1 out, Bases Empty.
The Pitch Sequence:
Buster Posey doubles (2) on a line drive to right fielder Jayson Werth. Vs LHP Antonio Bastardo (Philadelphia Phillies - Home - 10/20/2010)
Bot 7, 1 out, Bases Empty, 2-2 Fastball, 94 mph
Here is video of all Buster's hits in Game 4 of the NLCS.