I think today's lineup gives us a hint about what Ross' everyday lineup is going to look like.
Today:
Happ, CF
Contreras, C
Rizzo, 1B
Bryant, 3B
Pederson, LF
Baez, SS
Maybin, RF
Bote, DH
Hoerner, 2B
Everyday:
Happ, CF
Contreras, C
Rizzo, 1B
Bryant, 3B
Pederson, LF
Baez, SS
Heyward, RF
Whoever, 2B