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August 15, 2012

BP Unfiltered

Garbage In, Guthrie Out

by Ben Lindbergh

On July 20th, the Rockies traded Jeremy Guthrie to the Royals for Jonathan Sanchez. It wasn't so much a change-of-scenery trade as it was synchronized self-preservation, as if both teams' rosters reflexively rejected a toxic substance and instinctively sent it somewhere, anywhere else. The two starters' stats, before the trade:

Sanchez: 53 1/3 IP, 6.1 K/9, 7.4 BB/9, 7.76 ERA (-0.7 WARP)
Guthrie: 90 2/3 IP, 4.5 K/9, 3.1 BB/9, 6.35 ERA (-1.0 WARP)

And since the trade?

Sanchez: 11 1/3 IP, 7.1 K/9, 7.1, BB/9, 9.53 ERA (-0.2 WARP)
Guthrie: 31 1/3 IP, 7.5 K/9, 2.0 BB/9, 4.02 ERA (0.4 WARP)

In his last three starts for Kansas City, Guthrie has allowed three runs in 21 innings against three playoff contenders (the Rangers, White Sox, and A's), striking out 18 and walking four. As Matthew Pouliot points out, Guthrie has been considerably better than Zack Greinke, Ryan Dempster, Anibal Sanchez, and Francisco Liriano since switching teams, even though all four of those starters, unlike Guthrie, were traded for players who weren't actively sabotaging their teams.

In other news, I'm working on a theory about Coors Field being a tough place to pitch.

Ben Lindbergh is an author of Baseball Prospectus. 
Click here to see Ben's other articles. You can contact Ben by clicking here

Related Content:  Jeremy Guthrie,  Trade Deadline

4 comments have been left for this article.

<< Previous Article
PITCHf/x Profile: Diss... (08/14)
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BP Unfiltered: Melky C... (08/15)
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BP Unfiltered: Ben She... (08/15)
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