BP Unfiltered

Aaron Cook and .8 Per Nine

by Ben Lindbergh

Aaron Cook's 2012 Three True Outcome rates, after four starts and 22 2/3 innings:

Stat	Rate	Grade
BB/9	0.8	VERY GOOD!
HR/9	0.8	GOOD
K/9	0.8	VERY BAD!

If at some point this season the Yankees call up Russell Branyan or Jack Cust from Triple-A, and one of those players hits against Cook, True Outcome will meet anti-True Outcome. And then this will happen:

In case you're curious: Aaron Cook has a 3.73 FIP.

H/T to Red Sox savant Marc Normandin for bringing this striking symmetry to my attention.

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

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