The Twins have stopped developing starting pitchers. Look at the box scores, every "starter" in AAA and AA is going 3 or 4 innings and throwing 60 to 70 pitchers. Then they bring a bulk pitcher in after that to do the same. The Saints announcer made mention of this a couple of weeks ago, they don't have anyone that goes just one inning, they are all bulk guys.
And now you have these guys coming up but the rest of the pitching staff isn't constructed to support this model. At some point Falvey has to realize he isn't the smartest man in baseball and stop trying to reinvent the wheel. It's one thing to tweak things, but he keeps trying to keep changing how things are done. Well you need to win if you are going to do this and the results have not been there.