SUNRISE, Fla. -- Boston Bruins general manager Don Sweeney finished Day 1 of the 2015 NHL Draft satisfied with everything he had accomplished.

Describing his day as busy would be a major understatement.

Sweeney made several trades in a 24-hour period and moved three everyday players off the roster, including Milan Lucic, Dougie Hamilton and Carl Soderberg. Sweeney sent Lucic to the Los Angeles Kings in exchange for the 2015 No. 13 overall selection, goaltender Martin Jones and prospect Colin Miller.

Sweeney traded Hamilton to the Calgary Flames in exchange for the 15th, 45th and 52nd picks in this year's draft.

On Thursday, Soderberg was traded to the Colorado Avalanche in exchange for a 2016 sixth-round pick.

On the draft floor, the Bruins selected defenseman Jakub Zboril, forward Jake DeBrusk and forward Zachary Senyshyn with picks Nos. 13, 14 and 15, respectively. This marked the first time since the entry draft era began in 1979 that a team had three consecutive selections.

After Sweeney acquired the three first-round picks, it was thought that he could use those to move up as high as No. 3, but that didn't happen.

"It's unique that we had three in a row," Sweeney said. "Certainly had a lot of talks, and I tried to get up further in the draft and wasn't able to do that. We certainly identified three players that we wanted to take, and that's why I didn't move back and collect more picks later in the draft. We worked awful hard as a group to get those three selections, and we feel good."

Sweeney admitted it's a lot harder to move up in the draft, even with the three picks.

"You've got to have a dance partner in that regard, but we feel good, and we've got three real exciting players," Sweeney said.

Arizona had the No. 3 pick, and Sweeney made it known he was seeking a defenseman. He wouldn't say it, but it's likely the Bruins wanted Boston College defenseman Noah Hanifin.

With Jones now in the goaltending mix in Boston, the organization's depth chart is stacked with Tuukka Rask, Malcolm Subban, Jones and Zane McIntyre, who recently signed an entry-level deal.

"Well, we certainly have tremendous depth at the goaltending position," Sweeney said. "Clearly, last year Tuukka was put in a tough spot to play that many games."

Sweeney noted the organization feels strongly about Subban's development and said he believes McIntyre has the ability to become an NHL-caliber netminder too. Sweeney also said Miller, a 22-year-old defenseman, will compete for a job in training camp.

So who are these guys the Bruins drafted Friday?

Sweeney is impressed by the skating ability of all three players. Zboril is considered a good, two-way defenseman who moves the puck well, according to Sweeney. Many were surprised the Bruins selected Senyshyn in the first round.

"Zachary, in some peoples' eyes, might be a bit of a jump," Sweeney said. "Our guys had really gone to work on this player. We felt that was the one point we thought about moving back, but there were a couple of teams that had been doing the same type of due diligence."

The common theme all three of the newest Bruins presented is confidence.

"Simply awesome," Zboril said when asked what it's like to be a Bruin.

DeBrusk, the son of former NHL player Louie DeBrusk, entered the draft thinking the Bruins would select him.

"I'm super happy and super proud that I did," he said. "It's an experience I'll never forget."

DeBrusk is a well-spoken kid, and he didn't have any problem answering the question about Sweeney's dealings before the draft.

"They made some good moves," DeBrusk said. "This cap system right now in the NHL is pretty tough to get some good players, but the moves they made are good. They're making strides. I guess we're making strides in the right way to have a younger team that's going to have some success down the road. They're a good team, and they're still going to be a good team, and these three first-round picks are going to help us as a team."

DeBrusk, a forward, is known for his work ethic, and he plans to make the team out of camp this September.

"I'm going to push for this year," DeBrusk said. "I'm going to try to do anything I can to make the team this year. The safe play or my main goal, my timeline is two to three years. In two or three years, I'll be a player that not only makes the team but will make a contribution."

Senyshyn admitted he was a bit surprised he went in the first round.

"But I'm really confident in my game, confident in my abilities," he said. "I just hope I can prove the Boston Bruins right. I can't say enough about being a Bruin right now."

On Day 2, the Bruins will select picks Nos. 37, 42, 52, 75, 105, 135, 165 and 195.

"Hopefully I'm not done, in terms of trying to improve the club," Sweeney said.

It will be a while before Bruins fans get a true indication of Sweeney's work. Many appeared upset on social media, but Sweeney was happy with what he accomplished.

"It was a long day, but it's an exciting day," he said.