The trade deadline is usually a time when teams start negotiating deals and are ready to move on.
It’s also when teams are still dealing with the fallout from last season, when the NHL suspended three teams, including the Los Angeles Kings, for using performance-enhancing drugs.
However, that hasn’t stopped teams from trading for players from the past and the NHL’s trade deadline has become the most popular trade day of the year.
Here’s a look at some of the biggest deals of the day.
Dallas Stars trade for Anaheim Ducks defenseman Sami Vatanen.
The Stars signed Vatanens to a one-year contract on Tuesday and are expected to acquire the 24-year-old defenseman in a potential blockbuster trade.
The trade makes Dallas the only team to acquire Vatan en route to winning the Stanley Cup.
Vatan will cost Dallas about $5.5 million per season.
The Blackhawks also made a deal to acquire Patrick Sharp.
Chicago acquired Vatan Enlund from the Boston Bruins in a four-player deal on Friday.
New York Islanders trade for Calgary Flames forward Erik Karlsson.
The Islanders acquired Karlsson from the Calgary Flames in a trade with the New Jersey Devils for defenseman Erik Cernak, forward Brandon Dubinsky, a 2018 second-round pick and a conditional 2019 third-round draft pick.
Cernik was traded to the Maple Leafs on Friday and Dubinsky to the Chicago Blackhawks on Saturday.
Nashville Predators trade for Pittsburgh Penguins center Evgeni Malkin.
The Predators acquired Malkin from the Penguins in a six-player trade with Philadelphia on Friday, acquiring defenseman P.K. Subban from the Flyers for forward Evgeny Kuznetsov and forward Anthony Bitetto.
The Penguins will have the cap space to absorb Malkin’s $5 million salary for next season.
Winnipeg Jets trade for Columbus Blue Jackets forward Ryan Johansen.
The Jets dealt defenseman Kevin Klein to the Columbus Blue Devils in a three-player transaction on Friday for defenseman David Warsofsky and defenseman Zach Werenski.
Detroit Red Wings trade for Buffalo Sabres center Ryan O’Reilly.
The Red Wings dealt defenseman Brian Lashoff to the Buffalo Sabres in a two-player swap on Friday with defenseman Kevin Frandsen.
Florida Panthers trade for Ottawa Senators defenseman Pekka Rinne.
The Panthers acquired Rinne from the Ottawa Senators in a five-player acquisition on Friday in exchange for defenseman Zach Hyman.
Dallas Avalanche trade for Colorado Avalanche defenseman Alex Tuch.
The Avalanche dealt defenseman Marc-Andre Gragnani to the Dallas Stars in a one of the most significant trades of the deadline.
The deal also gave the Stars three second-year defensemen in defenseman Ben Bishop, defenseman Josh Morrissey and defenseman Trevor Daley.
Pittsburgh Penguins trade for Carolina Hurricanes forward Nick Foligno.
The Hurricanes traded forward Derek Roy to the Pittsburgh Penguins in exchange of defenseman Marc Methot and a 2019 second-rounder on Friday (the trade will also pay for defenseman Kevin Connauton’s contract).
Edmonton Oilers trade for Arizona Coyotes defenseman Mike Smith.
The Oilers traded defenseman Alex Burrows to the Arizona Coyotes in a deal that also sent forward Jannik Hansen and defenseman Derek Morris to the Edmonton Oilers.
Detroit Rangers trade for New Jersey Rangers defenseman Matt Bartkowski.
The Rangers traded defenseman Matt Niskanen to the New York Rangers in exchange to acquire forward Jake DeBrusk and defenseman Alex DeBrabander.
Nashville Sharks trade for Florida Panthers forward Alex Treliving.
The Sharks traded forward James Neal to the Florida Panthers in a swap on Saturday with defenseman Shea Theodore and forward Kevin Connolly.
Calgary Flames trade for Winnipeg Jets defenseman Matt Nieto.
The Flames traded defenseman Mike Cammalleri to the Winnipeg Jets in a 4-player contract on Friday to move forward Kevin Labanc and defenseman Michael Del Zotto to the Jets.
Edmonton Rangers trade with Washington Capitals for forward Mike Ribeiro.
The Capitals traded forward Justin Williams to the Rangers for defenseman Shea Weber and forward Brett Pollock.
St. Louis Blues trade for San Jose Sharks defenseman Adam Cracknell.
The Blues traded defenseman Andre Burakovsky to the Sharks in a seven-player exchange on Friday that included forward Alex Burmistrov, defenseman Matt Irwin and forward Matt Martin.
Detroit Panthers trade with Florida Panthers defenseman Matt Duchene.
The Florida Panthers traded defenseman Ryan Ellis to the Panthers on Friday along with defenseman Mark Giordano, defenseman Anthony Duclair, forward Nick Bjugstad, forward Andre Burrows, defenseman Brad Stuart, forward Tyler Ennis and defenseman Kevin Hayes to the Detroit Panthers for defenseman Ryan Kesler, forward Ryan Murphy, defenseman J.T. Miller and forward Cody McLeod.
Edmonton Jets trade with Calgary Flames for forward Ryan Nugent-Hopkins.
The Edmonton Jets acquired defenseman Blake Wheeler from