Just the other day, Julian Levine examined how O-Swing% changes as a player ages. While common sense dictates that plate discipline should improve over time, the numbers show that players actually tend to chase more balls out of the strike zone as they age. I was intrigued by this idea, so I decided to take a look at several of the older Giants players.In the post-Bonds era, the Giants have been infamous for their free-swinging ways. Over the last three years, they've managed a team 7.3% walk rate and .317 OBP, good for fourth worst in each category. As you'd expect, the Giants were closer to "middle of the pack" in 2010 in terms of reaching base, but they still lead the league with a team 32.3% O-Swing%. In comparison, the Red Sox and the Yankees led both leagues with percentages...

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