Everybody knows you need 3 capable everyday outfielders plus a backup.
You do if you are trying to be competitive and win a division or earn a playoff spot.
News Flash: We aren’t.
The Cardinals could trade Noot and get by with some combo of Siani, Walker, Donovan, Burly, Koperniak, and a cheap RH veteran.
Would the OF be too LH centric? Yes.
Would the defense be messy except for Siani? Yes.
Would a rebuilding team care? No.