LOVELAND, Colo. — Attempting to recover from a concussion only added to what was an already trying season for Martin Kaut.



Kaut used the offseason to add more muscle while also working out with Boston Bruins star right winger and fellow Czech David Pastrnak in the hopes he would make the Colorado Avalanche’s roster out of preseason camp. Instead, he was among the final cuts who would begin the season with the club’s AHL affiliate, the Colorado Eagles, where he spent last season.



Seven straight games without a point was not the start Kaut was seeking. Then, the concussion happened.



“I slept for 10 hours every day,” Kaut said about the concussion. “I still felt some pressure in my head. It sucks that you can’t play and you’re just watching guys. It sucks but it’s hockey. Right now, I can play and I’m just having fun and trying to improve every day.”



Recovering from the concussion was...