I was glancing over Baseball Prospectus's page for Dick Allen today and noticed something interesting. His WARP3 in his rookie season is by FAR the best of his career by 2.3 wins. This is primarily because he played at third, making his offense more valuable than his years in left and first, but something popped out to me. They peg him his rookie year at being worth 10 runs on defense above average. The rest of his career, mostly at easier positions, they have him at an average of 7 runs below average per season.
The first question is for the more statistically inclined and, with FRAA's known problems, how close is it in this case?
And if it is close (and even if not), what's up with that? How did Allen go from playing good defense his rookie season at a difficult position to playing tragic defense at easier positions for the rest of his career? Did he just decide defense bored him after trying hard as a rookie? Is there some injury I don't know about?
The first question is for the more statistically inclined and, with FRAA's known problems, how close is it in this case?
And if it is close (and even if not), what's up with that? How did Allen go from playing good defense his rookie season at a difficult position to playing tragic defense at easier positions for the rest of his career? Did he just decide defense bored him after trying hard as a rookie? Is there some injury I don't know about?
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