Why Minnesota Twins haven’t developed starting pitching

Despite the Minnesota Twins’ front office having success prior to 2021, how come Derek Falvey and Thad Levine haven’t been able to develop starting pitching prospects?; Where do the Twins go with Byron Buxton’s injury and what contract would you offer him if you indeed wanted to keep him around beyond 2021. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .