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I ran six seasons, two at Catcher Ability 190 (which is exactly 10 in a 1-10 scouting system), two at Catcher Ability 110 (which is exactly 6) and two at Catcher Ability 10 (which is exactly 1). So I have two at max, two at average and two at min.
Here are the numbers:
10 CA: 1450.7 IP, 1349 K, 548 BB
10 CA: 1457.3 IP, 1365 K, 507 BB
6 CA: 1439.3 IP, 1313 K, 552 BB
6 CA: 1481.3 IP, 1293 K, 580 BB
1 CA: 1459.7 IP, 1202 K, 575 BB
1 CA: 1444.3 IP, 1205 K, 551 BB
Converted to averages we have:
10 CA: 8.4 K/9, 3.27 BB/9
6 CA: 8.03 K/9, 3.49 BB/9
1 CA: 7.46 K/9, 3.49 BB/9
Not a perfect sample size, obviously you'd like to see more. But the difference between the three is pretty apparent, and I'm pleased that it's so obvious.
The difference between 10 CA and 1 CA is 0.94 K/9 and 0.22 BB/9
This drops the team FIP by 0.282, meaning it's worth about .282 runs per 9 innings
Figure that the average starting catcher racks up 1000 IP (your mileage may vary)
.282 runs per 9 becomes 0.0313 runs per inning, which becomes 31.33 runs per 1000 innings. So the gap between 10 Catcher Ability and 1 Catcher Ability is 31.3 runs, assuming 1000 IP.
There are 9 steps between 10 and 1, so every point of catcher ability in 1-10 scouting league is worth about 3.48 runs per 1000 IP.
This obviously does not take into account passed balls or other fielding that Catcher ability may be part of, it only values pitch framing.
This makes it in the same range of value as infield range for 2B or outfield range for LF.
Thoughts?
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