11/29/2013 22:49 EST | Updated 01/29/2014 05:59 EST

Examining NHL concussions lawsuit

A group of former NHL players filed a lawsuit seeking damages for concussion-related health problems earlier this week.

More than 200 players have joined the suit, saying the league knowingly put them at risk.

CBC Sports reporter Peter Armstrong looks at the hurdles they might face with the case and why some former stars aren't getting involved.

Watch the video above for more.