Rookie forward Dillon Dube was absent at practice for the second straight day after leaving Saturday's contest against the Chicago Blackhawks, and is currently going through concussion protocol.

The Flames may have have a different look to their forward group on Wednesday when they open a three-game road trip in Anaheim to face the Ducks.

Dube was hit from behind by the two-time Norris Trophy-winning defenceman, Duncan Keith, early in the first period and did not return.

According to head coach Bill Peters, as the Flames took to the ice for Tuesday's pre-flight practice, Dube was riding the bike and getting a light workout in. His availability for the upcoming road trip remains in question, but for now, the Flames have not recalled another forward from the Stockton Heat.

Peters also confirmed that Mike Smith will get the start in goal vs. the Ducks.

Here's how the Flames deployed their forward line combos and D pairs at Tuesday's practice:

FORWARDS

Johnny Gaudreau - Sean Monahan - Elias Lindholm

Matthew Tkachuk - Mikael Backlund - James Neal

Sam Bennett - Derek Ryan - Michael Frolik

Garnet Hathaway - Mark Jankowski - Austin Czarnik

DEFENCEMEN

Mark Giordano - TJ Brodie

Noah Hanifin - Travis Hamonic

Juuso Valimaki - Rasmus Andersson

GOALTENDER

Mike Smith