BOSTON (CBS) - When the Bruins acquired Tomas Kaberle from the Toronto Maple Leafs, general manager Peter Chiarelli finally got the puck-moving defenseman he coveted over for years.

Now he just has to re-sign him, or the Bruins will have given up a first-round and second-round draft pick and a promising prospect in Joe Colburne for late season rental. Chiarelli told 98.5 The Sports Hub's Toucher & Rich on Wednesday morning that will not be the case with Kaberle.

"I'm quiet optimistic we'll be able to sign him," Chiarelli said of the 32-year-old Kaberle, who will become an unrestricted free agent at the end of the season. "I've done a lot of deals with Rick Curran, Tomas' agent. We've had our preliminary talk, and kind of know where we want to go. I feel pretty confident we can get something done."

Listen: Bruins GM Peter Chiarelli On Toucher & Rich

Kaberle spent 11 seasons in Toronto before packing up and heading to Boston. The Bruins were the only team he would waive his no-trade clause for, a good precursor for when the time comes to re-sign him.

The Bruins are 5-0 since picking up Kaberle despite the defenseman having just one point. Although they have just one goal on their last 13, the Bruins power play has looked rejuvenated since the acquisition. Chiarelli still feels there is room for improvement.

"Our power play has improved significantly since we got Kaberle, but the results haven't shown that," Chiarelli said. "One thing that has happened is it hasn't changed momentum. Our power play is good, our chances are good, our possession is good. It's when the PP isn't good and that changes the momentum in a negative way. We've been maintaining the momentum, it would be nice to get more results on the power play. It will come."

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One improvement Bruin fans want to see is the team's playoff performance. After losing to the Flyers last year after having a 3-0 series lead in the conference semifinals, the Bruins will have to at least make the conference finals to appease the masses.

Chiarelli is not ready anoint his team Stanley Cup champs yet, but he at least feels confident enough there will not be another postseason collapse.

"We've made a lot of changes," he said of the 2011 squad. "You see a deeper team, a more versatile defense. We have both our goalies going. I'm pretty satisfied where we're at right now."

Lets hope he feels the same way come June.