Darcy Kuemper had a 2.43 goals-against average and .915 saves percentage last season. He is at 2.68 and .902 this season.
Josh Harding led the NHL in goals-against average (1.65) and saves percentage (.933) last season but hasn’t played in the NHL since last January because of an off-ice injury and issues related to multiple sclerosis.
Jason Pominville had 30 goals and was plus-3 last season; he has nine goals and is minus-4 so far this season.
Thomas Vanek had 27 goals and was plus-7 while skating for three different teams last season; he has seven goals and is minus-10 this season.
Ryan Suter led the NHL in time on ice (29 minutes, 24 seconds per game) last season and leads this season at 29:35, but his plus/minus has dropped from plus-15 to minus-5.
Erik Haula had seven points in 13 playoff games in 2014 but has only four points in 36 games this season.
Nino Niederreiter has gone from plus-12 in 2013-14 to minus-14 this season.