Bishop said he was impressed.
"It's a really skilled play," Bishop said. "He did a good job putting it just inside the post, kind of floating it over my blocker.
"You don't like being on the other end of it, but sometimes you have to tip your hat."
Werenski gave Columbus a 1-0 lead at 7:42 of the first period when Gustav Nyquist quickly passed to Werenski for a wrist shot from the right face-off circle.
Wennberg's unassisted goal, his first of the season, made it 2-0 at 15:01. He had two goals in 75 games last season.
"I'm just trying to get into the scoring opportunities and get rewarded for it," he said.