per Dana Wakiji tweets,

Both Helm and Athanasiou are on the ice.

From the Pens side, Matt Murray will start in goal.

I will update this post if needed.

added 11:42am, Wakiji tweets stating Howard in starter's net.

added 11:49am, Wakiji,

RedWings in morning skate:
Abdelkader-Larkin-Nyquist
Vanek-Nielsen-Bertuzzi
Athanasiou-Glendening-Rasmussen
Ehn-de la Rose-Frk/Megan

Cholowski-Daley
Kronwall-Jensen
Ericsson-Hronek
Witkowski

added 11:56am, Wakiji says AA is also seeing work on the PP.