"Obviously, as a coach, you're sitting there saying, 'That's a great deal,'" Boudreau told the Ducks website at development camp.
The Ducks acquired Kesler and a third-round pick in the 2015 NHL Draft on June 27, sending center Nick Bonino, defenseman Luca Sbisa and a first-round and third-round pick in the 2014 draft to the Canucks.
"I loved Nick Bonino and [Sbisa], but you're getting a top-flight guy that can give [Ryan Getzlaf] a rest every now and then," Boudreau said. "It gives you strength down the middle. I've never coached a team in the NHL that's had a second-line center that you're going to have with Ryan Kesler. It's a great [acquisition], and it gets you excited."