Arizona Diamondbacks Game Preview, #70: All your base are belong to us

Zack Greinke RHP, 9-3, 3.75

Jerad Eickhoff RHP, 4-8, 3.40

Jean Segura - 2B	Cody Asche - LF
Michael Bourn - CF	Odubel Herrera - CF
Paul Goldschmidt - 1B	Andres Blanco - 2B
Jake Lamb - 3B	Ryan Howard - 1B
Peter O'Brien - LF	Jimmy Paredes - RF
Welington Castillo - C	Maikel Franco - 3B
Yasmany Tomas - RF	Carlos Ruiz - C
Zack Greinke - RHP	Freddy Galvis - SS
Nick Ahmed - SS	Jerad Eickhoff - RHP

But, hey - six home-runs in a game? That'll work. It pushed the D-backs up to fifth in the National League - Washington tops the list, with 97, so it'll take a few more games like today before our total (currently 81) is up there with them. The number that stands out is the Mets: second in home-runs (88), but 13th in runs scored. Even weirder, the most obvious explanation - they've had more solo home-runs - doesn't seem to fit. 61% of their home-runs have been with nobody on, compared to 67% for the D-backs, and 60% for MLB generally. As a result, the Mets have scored 53% of their runs by the homer; for Arizona, the figure is only 38%.

Is this a good thing for the Diamondbacks? Hard to say. Home-runs are obviously part of the armory, especially when you play in such a hitter-friendly park as Chase. But this year, that seems to be hurting more than it has helped. Last night's barrage means that on the road, we have hit 34 home-runs and our pitchers have conceded 28. But at home, the same numbers are 47 and 56. The only other ball-park in the majors where more than a hundred home-runs have been hit is Great America, in Cincinnati. We've hit almost as many home-runs at Chase as both the Giants and their opponents have hit at AT&T Park (48).

Last night was the sixth time in franchise history we had two players with multi-homer games. It hasn't happened for seven years: the last time, on May 20, 2009, we beat the Marlins 11-9 in 13 innings, with both Justin Upton and Mark Reynolds hitting their second blast of the game in extras. But the one everyone remembers is 2009, where switch-hitters Felipe Lopez and Tony Clark both homered from each side of the plate, the first time in baseball history that had happened on Opening Day. Indeed, no two switch-hitting teammates have had a multi-HR game since. Lopez and Clark had four HR on Opening Day - but only combined for six in 121 games the rest of the way.

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