I think Smoak has come up huge as of late. Even last year, I know a lot of people felt, he should have been playing over Cola every day. If the lineup continues to struggle, and you want to give it a strong up the middle order, I would consider the following upon Travis's return
Travis
Suanders
Donaldson
Bautista
Smoak
Encarnacion.
Tulo
Pillar
Martin
That is a crazy crazy good lineup, even with bats struggling. Even if Martin doesn't become average again, and Tulo doesn't improve. That lineup is going to murder pitchers.