Simmons and Cruz are the most likely to be traded. Pineda, depending on how he throws once he comes back from injury, could also draw some interest. Sano has hit better in June, and if he keeps it until the deadline could bring a decent prospect from the right team. I would keep Rogers, bad inherited runner numbers and all, as he is probably the best option out there right now.
Once everyone returns from injury the line-up could look something like this; C - Jeffers; 1B - Kirilloff; 2B - Arraez; 3B - Donaldson (not going anywhere despite what the posters on here wish); SS - Polanco; LF - Larnach; CF - Buxton; RF - Kepler; DH - Garver. The bench could be Gordon, Refsnyder, Astudillo and Rortvedt or maybe one of Riddle, Rooker, or Garlick, or one of the pieces brought in via one of the trades.
Beyond Berrios, Maeda and Rogers I have no idea what the rotation and bullpen could look like after the deadline.