I 2007-sæsonen blev Diamondbacks det kun fjerde hold i [[baseballs historie|baseballhistorien]], der er gået videre til [[baseball playoffs|baseballslutspillet]] efter at have scoret færre [[baseballstatistikker#Batting|runs]], end de lod gå ind.<ref>{{cite web | url=http://www.latimes.com/sports/baseball/mlb/wire/la-sp-arizona3oct03,1,7628948.story?coll=la-headlines-sports | title=Youth has served Diamondbacks well | last=Hernandez | first=Dylan | date=2007-10-03 | accessdate=2007-10-13 | publisher=Los Angeles Times}}</ref> Dette skyldtes i høj grad en god og klogt styret bullpen.<ref>{{cite web | url=http://www.hardballtimes.com/main/article/no-mirage-in-arizona/ | title=No mirage in Arizona | last=Jaffe | first=Chris | date=2007-08-20 | accessdate=2007-10-13 | publisher=The Hardball Times}}</ref> Holdets offensiv lå statistisk set i bunden af ligaen, både med hensyn til runs, [[Baseballstatistikker#Batting|batting average]] og [[Baseballstatistikker#Batting|on base percentage]],<ref>{{cite web | url=http://sports.espn.go.com/mlb/stats/aggregate?sort=runs&split=0&group=8&season=2007&seasonType=2&statType=batting&type=reg | title=MLB Baseball Team Statistics (batting) | publisher=ESPN | accessdate=2007-10-13}}</ref> men pitchingstaben havde samlet set ligaens fjerdebedste [[Baseballstatistikker#Pitching|earned run average]] (ERA).<ref>{{cite web | url=http://sports.espn.go.com/mlb/stats/aggregate?statType=pitching&seasonType=2&group=8&typereg&split=0&season=2007 | title=MLB Baseball Team Statistics (pitching) | publisher=ESPN | accessdate=2007-10-13}}</ref> Diamondbacks tabte til [[Colorado Rockies]] i [[Baseball playoffs#Championship Series|National League Championship Series]], efter de havde besejret [[Chicago Cubs]] i [[Baseball playoffs#Division Series|Division Series]].
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