The Buffalo Sabres have returned Mikhail Grigorenko to his major junior team to make room for the returning Ville Leino and Patrick Kaleta. The Sabres more or less forfeited the first year of Grigorenko's entry-level contract after he failed to make any sort of dent on games at the NHL level.
The young center isn't alone in his struggles. The NHL's past and present is littered with players who just couldn't figure out a way to make it work in the best professional hockey league in the world.
Every year we witness kids struggling to translate the artistry of their junior games to the rough and tumble Wild West that is the NHL, and 2013 is no different. There are several players from around the league who are highly touted but are having some issues thus far in their careers.
For most of these guys, the issues will be temporary setbacks. The learning curve of the NHL can be steep. Here are a few players who have failed to meet expectations in 2013.