Mason , 25 , won the Rookie of the Year award in 2009 .
Mason played in just 13 games as Sergei Bobrovski has blossomed into one of the NHL 's top goaltenders this season .
Mason , 25 , won the Rookie of the Year award in 2009 , but he played in just 13 games as Sergei Bobrovski has blossomed into one of the NHL 's top goaltenders this season .