Louis Jean of TVA Sports tweeted:
Dan Boyle out cold after being hit by Maxime Lapierre.— Louis Jean (@LouisJean_TVA) October 16, 2013
Los Angeles Times' Helen Elliott also added:
Sharks' Dan Boyle takes hit from behind at St Louis, stretcher comes out. Awful sight— Helene Elliott (@helenenothelen) October 16, 2013
He will rejoin the team on Wed, Oct. 23 in Boston.