Chronicling Don Cooper's successes

Ballantini @ CSN:

Most markedly, Cooper’s suggestion to Jackson that he apply the “Jose Contreras Treatment”—i.e., a more erect posture in his delivery—has worked wonders. (It’s neither a surprise that Cooper spotted the flaw immediately upon viewing tape of Jackson nor that he was hopping exciting to get the flamethrower in trade.)

Jackson brought a 5.16 ERA with him from the Arizona Diamondbacks and has offered up a clean 1.47 ERA so far with the White Sox, along with reducing his H/9 a full two, from 9.4 in Arizona to 7.4. He’s also cut his walks in half (4.0 BB/9 to 2.0 BB/9) while increasing his strikeouts by four (11.0 K/9 in Chicago vs. just 7.0 K/9 in Arizona). Those factors have combined to have increased Jackson’s K/BB by 200%, from 1.73 with the Diamondbacks to 5.63 with the White Sox.

… Let’s take a look at some other famous Cooper turnaround efforts, beginning with the two players the pitching coach himself was quickest to cite:

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