The Ducks have defensive issues heading to Wednesday's regular-season opener in Colorado, with veteran Sheldon Souray sidelined for two months and fellow defenseman Luca Sbisa probably out.
Saturday, in their 6-5 exhibition finale loss against San Jose at Honda Center, the Ducks were outshot, 39-18, and four of the Sharks' goals came on power plays, raising questions about the Ducks' penalty-killing ability.
"We have to get better," Coach Bruce Boudreau said. "That team was much faster than us. That's a concern. … You can't come in and say preseason's over, let's get it going."
Boudreau included goalie Jonas Hiller in his criticism.
"We have to make the save in the penalty killing, and get the rebounds contained," he said.
Hiller said effort was lacking on the brink of the first real game.
"It's definitely not the way you want to end preseason," Hiller said. "It wasn't my best game. Pucks were all over the place. We have