Here's the latest from Ken Rosenthal, via two videos for FOX Sports. Diamondbacks GM Kevin Towers and manager Kirk Gibson are both vulnerable if the team doesn't improve, Rosenthal says. Diamondbacks owner Ken Kendrick says he wants the team to rely more on data, and that isn't Towers' forte. (Kendrick says, in fact, that one reason the Diamondbacks haven't employed as many defensive shifts as other teams is that they haven't studied them as much.) Still, Kendrick is backing both Towers and Gibson right now, despite the D-Backs' 5-14 start. When the Braves lost Kris Medlen and Brandon Beachy to...

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