Prospect Instinct: Buster Posey

by Thomas Belmont on March 3, 2010

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BUSTER POSEY, C SAN FRANCISCO GIANTS

San Francisco Giants3/27/1987
6’1″ AND 205 LBS
BATS- R THROWS- R
Drafted- 1st Rd – 2008 Florida State
Bonus- $6.2 million
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Year Team G AB H 1B 2B 3B HR R RBI BB SO SB AVG
2008 Giants (R) 7 26 10 5 3 1 1 8 4 5 4 0 0.385
2008 Giants (A-) 3 11 3 1 2 0 0 2 2 3 0 0 0.273
2009 Giants (A+) 80 291 95 59 23 0 13 63 58 45 45 6 0.326
2009 Giants (AAA) 35 131 42 28 8 1 5 21 22 17 23 0 0.321
2009 Giants 7 17 2 2 0 0 0 1 0 0 4 0 0.118
Year Team BB% K% BB/K OBP SLG OPS ISOP BABIP GB% LD% wOBA
2008 SF(R) 16.1 15.4 1.25 0.484 0.692 1.176 0.308 0.429 35% 30% 0.518
2008 SF(A-) 21.4 0.0 3 0.429 0.455 0.883 0.182 0.273 36% 9% 0.423
2009 SF(A+) 13.0 15.5 1 0.428 0.54 0.967 0.213 0.349 52% 17% 0.433
2009 SF(AAA) 11.3 17.6 0.74 0.391 0.511 0.902 0.191 0.349 56% 18% 0.39
2009 Giants 0.0 23.5 0 0.118 0.118 0.235 0 0.154 55% 18% 0.105


Posey is going to be a team leader. He’s versatile, athletic and an excellent hitter. He is as close to a can’t miss catcher as they come. Before we get into breaking down his swing let’s take a quick look at the stat lines for his professional career thus far.

After signing in 2008 he had a short stint in the Arizona Rookie League where he proved quickly how advanced his bat was.  San Francisco moved him to Salem to close out the 2008 season. In 2009, Posey started off in San Jose with a myriad of other top prospects in the system and got off to another fast start from which he never really cooled off. His numbers show the type of  a hitter he should settle into at the major league level. He takes pitches and is patient while keeping his K% low and getting on base at an excellent clip. His BB/K ratio dipped under 1 at Triple A after skipping Double A altogether, but that should even out with adjustment. His power shows both in his Slugging and Isolated power, so it is confirmed that he will hit for some decent power at least and he hits the ball hard.

His major league debut was a short one and adjustments will need to be made, but his compact stroke and patience should allow for a smooth transition in 2010.

Let’s take a look at Posey’s swing:

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SETUP

Posey sets up with his feet wider than shoulder width, good balance and bent at the knees. The bat rests on his shoulders with a wag until the pitchers comes to his wind up where Posey comes set with a high elbow. Once set he has good balance and is in solid load position.

HEAD MOVEMENT

Posey’s head is set solid from wag to set which allows him to better follow the pitch plane and adjust to off-speed pitches.

LOWER HALF

Posey’s lower half is pretty quiet with a limited stride. He has a load step and drop although it doesn’t add a lot of torque to his swing and is more of a timing mechanism than a load phase.

STRIDE

Posey has a limited stride and uses a lift and drop load to time his swing. He’ll be able to hit from pole to pole because he doesn’t have a lot of excess movement to limit his bat control.

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EXTENSION

This is an area where Posey is only average but it suits his hitting style. He doesn’t get full extension on every swing which is why he won’t hit for as much power as his raw power tool could allow. However, his limited extension will allow him to use the whole field and hit an above league average most seasons.

OUR INSTINCT

He’s ripped through every stop in the minors, reaching San Francisco at the end of 2009. The Giants are going to have to start his clock this year because the fans are calling for it and Posey is ready. Benji Molina is back for 2010, but you can bet that by mid-season he’ll be more of a mentor to Posey than Posey will be his backup. Posey is going to hit for average from pole to pole with average power and average speed. His defense starts with his intelligence and ends with his plus arm. Perennial All-Star in the making. The Molina signing is a smart move and will give Posey a solid mentor who seems willing to teach. Posey should have a full season to get acclimated and adjust to the next level. By 2011 the keys to a shiny new pitching staff will be handed to him and the projection says he’ll be an excellent all around catcher.

Special thanks to Aaron Bentley for his Instinct on this breakdown.

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