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  1. I wouldn’t be surprised if it was his curveball that was getting most of the groundballs

    Comment by oldjacket — July 10, 2009 @ 12:58 pm

  2. Interesting analysis, but may I point out that you might want to adjust the colors on the graph – Affeldt and Bass, as well as Moylan and Wright, are virtually indistinguishable. Even Green and Meredith are a little challenging.

    Comment by Preston — July 10, 2009 @ 1:04 pm

  3. This stuff is why Fangraphs is great.

    Comment by Bill — July 10, 2009 @ 1:56 pm

  4. I think investigating his curveball and its impact on his groundball rate is essential to a thorough analysis of Affeldt since his curveball is one the biggest and best in the majors. He does a particularly good job of locating that curveball with hard, late bite towards the backfoot of a righthander.

    Comment by Cory — July 10, 2009 @ 2:55 pm

  5. Yeah, I don’t think this is really an accurate analysis when you’re completely ignoring his best pitch, which, being a breaking ball, is sure to result in many groundballs.

    Comment by Nibbler — July 10, 2009 @ 3:30 pm

  6. As others have said above, and from memory of watching most of his outings this year, the curve is essential to any analysis on this. Its a filthy, big curve, at its nastiest, and, when not as nasty, it isn’t as big, but its is late.

    Comment by haverecords — July 11, 2009 @ 3:32 pm

  7. I’m glad you’re checking out the effect of Affeldt’s breaking pitch on his ground balls. When I saw the title of the article I was expecting the article to say that it was indeed Jeremy’s sharp breaking ball that was generating most of the ground balls.

    Affeldt has really been nails lately.

    Another off-season acquisition, Justin Miller, was signed to a minor-league contract even though his major league performance appeared to be rather solid. Miller has been the Giants’ garbage man and the last I saw had appeared in only five winning games out of 20. But his pitching has been excellent.

    As I am posting this, Miller has replaced an injured Matt Cain and thus far is mimicking Jonathan Sanchez’s hitless outing last night and Tim Lincecum’s first six no-hit ininings the previous inning. Think the Padres are having a tough time hitting. ;)

    Cain was hit on the elbow with a hard-hit ball up the middle. He lobbied to stay in the game, but when his first warmup throw went well over catcher Eli Whitesdie’s head, the Giants immediately went to Miller as a protective measure.

    The Giants have had some unexpected surprises this season, but in terms of rags to riches, the biggest may have been Miller. Most ignored Justin’s signing, and Miller didn’t make the big league team until fellow reliever Joey Martinez was beaned with a line drive and suffered a concussion that still has him pitching rehab assignments.

    Awful result for Martinez, but a great break (almost literally, since Martinez suffered a skull fracture) for Miller. And Justin has certainly taken advantage.

    Miller is now being replaced after pitching 3.1 scoreless innings, lowering his ERA to 1.98. In his previous performance he gave up a run in his second inning, but in his first came in with the bases loaded and no outs, and yielded only one run on a double play and a ground out.

    So Affeldt has been the Giants’ best off-season acquisition and Juan Uribe is another guy who has overperformed as a minor-league signee, but Miller probaby gets the award as the least-known Giant who has given excellent perfomance.

    Even with a sub-2.00 ERA, I’m not sure most baseball fans know who Justin Miller is. I’m guessing opposing batters do though.

    Comment by SharksRog — July 11, 2009 @ 9:30 pm

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