So the As just traded for Jurickson Profar. I know Jed Lowrie is a FA.

1B: Matt Olson
2B: ??? (Franklin Barretto)
SS: ??? (Marcus Semien/Jurickson Profar)
3B: Matt Chapman

How does second base and shortstop play out? Is Profar an upgrade to Semien and just replaces him? Is Profar going to second and Barretto isn't going to the majors? What happens if Jed Lowrie returns who is SS Barretto/Semien/Profar?