In memory of Hall of Famer Frank Robinson, who recently passed way, I decided to take his 1971 card out for a spin in an interesting project.
In short, I looked at this as a fun experiment to test out the accuracy of Deep Drive Baseball’s formulas and I’ll go ahead and share the results with everybody.
I took every plate appearance that F-Rob had in 1971 and replayed it, using random.org to generate the dice rolls an ensure a highly-reliable level of randomness.
Robinson’s first plate appearance was against the Washington Senators’ Casey Cox with two outs and Paul Blair on 1st base. So that was the game situation I used for the plate appearance I simulated.
His second plate appearance was also against Cox with two outs and Blair on 3rd base. And so I used that for the situation in the next plate appearance I simulated.
And on and on I went, simulating all 545 plate appearance from Robinson’s 1971 season.
If anybody is really curious to see the spreadsheet where I have each plate appearance’s result, I’m happy to post that here.
But I’m going to go ahead and share the final results here…
Sim | Real | |
---|---|---|
AVG | .297 | .281 |
OBP | .384 | .384 |
SLG | .490 | .510 |
2B | 26 | 16 |
3B | 2 | 2 |
HR | 20 | 28 |
RBI | 85 | 99 |
BB | 60 | 72 |
SO | 58 | 62 |
HBP | 10 | 9 |
As you can see, some interesting results there, but pretty darned accurate!
Robinson finished with a .384 OBP in the sim, just as in real life.
His batting average went up from .281 to .297, but his Deep Drive results tended to roll high, resulting in a lower SLG – down from .510 to .490.
Speaking to that, he had 48 total extra base hits, compared to 46 in real-life. Again, really close! But he had 10 more doubles than real life and 8 fewer homers.
(Rest assured, Robinson’s Deep Drive section has 58 HR readings and 33 DO readings, so the fact that he finished with 20 HR/26 DO is kind of a weird statistical oddity.)
Strikeouts also finished really close – 58 sim versus 62 real.
Walks weren’t too far off the mark, but he still finished a little shy there – 60 sim versus 72 real.
His 9 real-life HBP were pretty well replicated, as he finished with 10.
Not included up there, Robinson had 6 sac flies in the sim versus 8 in real life. He also reached by error 8 times versus 7 in real life.
Robinson was done in by a lot of double play grounders. In real life, he hit into 20 of them. In the sim – 28.
(In a real sim, you’d probably have called for the occasional hit and run, resulting in fewer than 28 double plays. I never called for a bunt or hit and run, though – just “swung away” on every plate appearance simmed.)
Overall, a really fun project and I’ll try to do something similar with another card in the future.
Hope you enjoyed this!
Chris this is very cool and absolutely tremendous! A true labor of love (and a nice honor to Mr. Robinson) .What a great testament to the DEEP DRIVE game engine as well! Being a huge Orioles fan this was just great to read!
Thanks
Chris
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Wonderfully done.
RIP Frank!
Paul
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