Elbow to head gives Sabres’ Rasmus Dahlin concussionSource: Olean Times Herald ‘Cernak wasn’t penalized for the hit, which occurred just after Dahlin passed the puck. Dahlin left the game and did not return.’ Related posts: ‘Long process’ for Sabres’ Rasmus Dahlin continues in loss to Blackhawks Thursday’s Boston Coverage NHL Draft 2018: How Rasmus Dahlin can fit Sabres, fast-track league’s slowest rebuild Sabres Mailbag: Why isn’t Rasmus Dahlin playing more? NHL Draft 2018: Buffalo Sabres select Rasmus Dahlin from Sweden with first overall pick