exposing the Achilles heel in the Arizona Diamondbacks March to the playoffs will their Bullpen hold them back the Arizona Diamondbacks have been a Powerhouse in the NL West leading the league in runs scored and Ops since the allstar break their lineup featuring stars like Christian Walker and Kettle Marte is Relentless but here's the kicker their Bullpen is a disaster waiting to happen since removing Paul seel from the closer role the Dbacks have struggled to find a reliable arm for those nail-biting high pressure situations rookie Justin Martinez has shown promise but can you really count on a rookie in crunch time as they face tough playoff contenders like the Astros Brewers and Padres the Diamondback shaky Bullpen will be put to the ultimate test their potent offense gives them hope but if the bullpen can't rise to the occasion their playoff dreams might just slip away stay tuned to see if the Diamondbacks can patch up their biggest vulnerability and make a deep playoff run