Eddie Rosario, Byron Buxton, Aaron Hicks and Max Kepler will be the four-man rotation in the outfield for the next few years. Kepler brings a high-average gap power bat to the lineup, and I'll assume he will learn how to get better breaks on fly balls. He'll also be able to platoon 1B with Joe Mauer, so there should be a good balance of playing time for everybody.
I'm worried that Oswaldo Arcia may be suffering from a lingering hip problem. That could keep him from getting back to the majors. Meanwhile, Kennys Vargas is a big,strong man that won't remain much longer in the minors. Somebody has to bat behind Miguel Sano.