Pirates mailbag: What's stopping Oneil Cruz from being elite? What's with constant lineup change?

In his weekly mailbag podcast, Post-Gazette Pirates insider Noah Hiles answers reader questions. Among them: What's preventing outfielder Oneil Cruz from becoming an elite MLB player? What role do analytics play in manager Derek Shelton's constantly shifting lineups? Which prospects beyond Bubba Chandler are worthy of promotions? Will Chandler bump Carmen Mlodzinski from the lineup whenever he reaches the big leagues? When could a potential change come with Ben Cherington in the GM role? When will we see more of Andrew McCutchen in the lineup? And is Jack Suwinski the new Cole Tucker?