Sports Blackhawks’ Andrew Shaw, citing concussions, retires from NHL at 29 April 26, 2021Chris Bumbaca, USA TODAYComments Off on Blackhawks’ Andrew Shaw, citing concussions, retires from NHL at 29 Andrew Shaw, who played 10 seasons in the NHL for the Blackhawks and Canadiens, announced his retirement Monday at the age of 29 due to concussions.