Inside Yainer Diaz’s Lab: What Surprising Secrets Are Coming to Light?
Statcast projects what you would likely hit if your rate and quality of contact received average luck. Diaz was unlucky in the power department last season and if he had had normal luck would have been more or less league average according to his expected weighted OBA. I’m sure this gave the Astros some room for optimism. We are not seeing that so far this season.
So far, we dare say that Diaz has been better than what the underlying numbers say he should be. Nearly all of those gains are in the batting average department. Secondary average combines isolated patience, isolated power, and stolen bases to come up with a number that should be similar to batting average. If we look at the expected numbers we see that he has a secondary average barely over .100. That is ridiculously low.
If you read the Smith piece then you know what is coming next. We are looking at why this is happening and then we are looking at what Diaz can do to grow. I think anyone reading this article can answer the second question without the fancy numbers, but it is probably still good to look at how bleak the situation looks. First, let’s look at how statcast arrives at these numbers above.
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