Calgary Stampeders running back Jon Cornish will likely miss this weekend's West semifinal against the BC Lions, according to according to TSN Senior Correspondent Gary Lawless.

twitter embed

The 31-year-old Canadian has been unable to get through the CFL's concussion protocol after missing the last three games of the season with "neck stiffness."

He has rushed for 622 yards and four touchdowns over nine games in 2015.

If Cornish can't go, deadline pickup Jerome Messam will get the vast majority of the carries on Sunday.