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[calfan810]

Well, that's regression to the mean for you:

Rodriguez:
Career: 2.68 ERA, 1.17 WHIP
2013 with the Brewers: 1.09 ERA, 1.05 WHIP
2013 with the Orioles: 4.61 ERA, 1.17 WHIP
2013 overall: 2.35 ERA, 1.10 WHIP

Feldman:
Career: 4.65 ERA, 1.38 WHIP
2013 with the Cubs: 3.46 ERA, 1.14 WHIP
2013 with the Orioles: 4.56 ERA, 1.28 WHIP
2013 overall: 3.87 ERA, 1.19 WHIP

Norris:
Career: 4.36 ERA, 1.42 WHIP
2013 with the Astros: 3.93 ERA, 1.41 WHIP
2013 with the Orioles: 4.91 ERA, 1.70 WHIP
2013 overall: 4.13 ERA, 1.47 WHIP


I could be wrong, but it seems that all three players have had an above-average first half of the season (relative to their career numbers) when they were acquired. Statistically speaking, that means they would be more likely to perform worse with our team... and unfortunately that's exactly what had happened. (To put it another way: We bought high on these players. )

But then the pitchers that we parted ways with are performing above par...must be something with the pitching coach...and now the backup pitching coach isnt any better

 

[hattersgonnahate]

But then the pitchers that we parted ways with are performing above par...must be something with the pitching coach...and now the backup pitching coach isnt any better

It's certainly possible that the pitching coach could be part of the problem... hence my earlier frustrated comment about replacing the organization's entire management. But again, what you're seeing here might simply be another case of regression to the mean due to random chance alone. It's just that it's occurring in the positive direction (in other words, their performance improved after being traded simply because they couldn't get any worse):

Arrieta:
Career: 5.40 ERA, 1.46 WHIP
2013 with the Orioles: 7.23 ERA, 1.77 WHIP (horribly bad even by his standards)
2013 with the Cubs: 4.50 ERA, 1.32 WHIP
2013 combined: 5.91 ERA, 1.55 WHIP (still a below-average season for him overall)

Strop:
Career: 3.87 ERA, 1.40 WHIP
2013 with the Orioles: 7.25 ERA, 1.70 WHIP
2013 with the Cubs: 2.38 ERA, 0.97 WHIP
2013 combined: 4.80 ERA, 1.33 WHIP (still not great by his career standards)