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Jeremy Guthrie has a 3.06 ERA through five starts which looks like a continuation of his post-trade work with the Royals from last season when he had a 3.16 ERA in 91 innings over 14 starts. All told, he had a 3.14 ERA in 123 2/3 innings with 1.10 WHIP. He is blasting the zone resulting in a minuscule 5.8 percent walk rate – a marked improvement over his 6.9 percent career rate. His strikeout rate is at 16 percent as a Royal, up from a 14.3 career mark. Everything seems to suggest he has found a new level of production in his early-30s with his new club.

That strikes me as odd, though.

You don’t usually see a guy with 1111 innings of a certain level of production become something significantly better in their 30s. At least not without a major change in their pitch mix either by adding a pitch or using what he has differently. There hasn’t been any of that with Guthrie which made his improvement even more suspicious. This split of his innings as a Royal definitely stood out:

Guthrie

IP

ERA

WHIP

K%

BB%

vs. CWS

35.7

0.50

0.81

21%

2%

vs. Rest

87.7

4.21

1.31

14%

7%

 

 

Guthrie has owned his Saturday night opponent since becoming a Royal and it is driving his new found success. Against the rest of the league, he’s simply been the solid, if unspectacular Jeremy Guthrie we’ve known for nearly a decade, but he’s a Cy Young frontrunner against the Pale Hose. Let’s see if he continues the dominance tonight in Kauffman Stadium.

For those wondering, two of these five starts have come in Kauffman Stadium and he’s allowed five runs, but only one earned in 13 2/3 innings with nine strikeouts and two walks.