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Pitch Counting in a Pinch
2003-09-16 01:26
IN most Big League ball games, there comes an inning on which hangs victory or defeat. Certain intellectual fans call it the crisis; college professors, interested in the sport, have named it the psychological moment; Big League managers mention it as the "break," and pitchers speak of the "pinch."... Boy, things were a bit different in Matty's day. Walking two men to load the bases with no outs is de rigueur today: it's the prevailing strategy and one that quite often backfires. The strategy has become so ossified that now analysts look at ways to debunk its supposed advantages. A few weeks ago at Baseball Primer's Primate Studies, Tangotiger came up with a set of formulas that estimate pitch counts for all pitchers since 1889. I don't want to discuss the reliability of the estimates. If we are not sure how many walks Ted Williams drew in 1941, one of baseball's biggest hitting stars in one of its most memorable seasons, estimating the number of pitches thrown by a pitcher a hundred years ago of course involves a good deal of guesswork. Tangotiger should be commended for dividing the darkness from the light on the matter. I doubt even Retrosheet can be able to revivify enough game accounts to determine the number of pitches Old Hoss Radbourne threw in 1884. (it would be nice, however, if we could decide on the number of wins he registered-is it 59 or 60?) I thought it would be interesting to use those estimates to look at pitch use/overuse historically especially as it relates to the long-term expectations of young pitchers. Have approaches evolved as strategies evolved and become inculcated? I also thought that it would be interesting to see if different teams used pitchers differently in different eras. Do winning teams approach pitch counts differently than losing ones? Are losing teams catching on more and more over time thereby affecting competitive balance? Before we delve into these sorts of studies, I have to comment on a limitation in the data that has nothing to do with Tangotiger's research. The problem is one inherent to pitching statistics or rather the way that they are recorded. Pitchers, historically, have been used in different ways at different times. At the turn of the last century some very good starters were used as "closers" in the bullpen. Mathewson himself was posthumously credited with 28 saves for his career and a career high of 5 in 1908 when he went 37-11 with a 1.43 ERA in almost 400 innings. 84 of Matty's 635 games pitched were in relief. So the problem is that we have no way of knowing how many innings were pitched as a starter and how many as a reliever-not to mention all the other pitching stats. So what does that mean? If we want to do analysis for pitch counts by starting pitchers, we are limited to those pitchers who were used purely to start games. The same goes for relievers. Pitchers who both started and relieved I call "swingmen", and they forma third category with which we can't do much, on its own. To be continued...
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