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Over Zack Greinke’s five starts in July, he went 4-0 with a 1.60 ERA over 33.2 innings, and a stellar K:BB ratio of 35:5. That was the lowest ERA by any NL pitcher with at least 20 innings for the month, ahead of the Rockies’ Jon Grey (1.66) and Jacob deGrom of the Mets (1.74). July is just the most recent month in a very good spell, Zack has not lost a start since June 13, and since the start of June, he is 9-1 in 11 starts, with a 2.31 ERA.
Greinke had won it twice previously, in April 2009, with the Kansas City Royals, and August 2013 as a member of the Los Angeles Dodgers. He is the first Diamondback to take home this particular honor in more than five years, the last pitcher to do so being Patrick Corbin in May 2013. The full list of D-backs who are winners is now as follows:
- July 1999: Randy Johnson
- April 2000: Randy Johnson
- May 2001: Curt Schilling
- April 2002: Randy Johnson
- May 2002: Curt Schilling
- July 2002: Curt Schilling
- September 2002: Randy Johnson
- April 2008: Brandon Webb
- June 2008: Dan Haren
- May 2013: Patrick Corbin
- July 2018: Zack Greinke
Yes, you read that list right. Four of the six months in 2002, the award went to either Johnson or Schilling.