The Dallas Stars began the NHL's free-agency period on Tuesday by trading for Jason Spezza and acquiring Ales Hemsky.

The Ottawa Senators traded Spezza and prospect Ludvig Karlsson to the Stars for winger Alex Chiasson, prospects Alex Guptill and Nicholas Paul, and a second-round draft pick in 2015.

The 31-year-old Spezza, who signed for the 2014-15 season at $4 million, produced 25 goals and 43 assists for the Senators last season. He had asked the Senators to trade him.

According to reports, Spezza used his limited no-trade clause to nix a deal with the Nashville Predators.

Chiasson, 23, totaled 13 goals and 22 assists for the Stars last season. He has one more season on his contract before he becomes a restricted free agent in 2015.

Hemsky signed a three-year, $12 million contract with the Stars, TSN reported.

He played with Spezza last season in Ottawa after the Edmonton Oilers dealt him at the trade deadline. In 20 games for the Senators, the 30-year-old Hemsky had 17 points. In 75 games between the two teams, he had 13 goals and 43 points.

---The Anaheim Ducks bolstered their blueline on Tuesday, signing defenseman Clayton Stoner to a four-year contract

"I'd like to keep growing and improving," Stoner said. "Hopefully, the next few years here in Anaheim are the best of my career."

The 29-year-old has four goals, 31 points and 296 penalty minutes in 227 games with the Minnesota Wild.

In addition, Anaheim inked goaltender Jason LaBarbera, 34, to a one-year contract. LaBarbera appeared in 182 NHL games, including seven with the Edmonton Oilers last season when he was 1-3-0 with a 3.28 goals-against average and .870 save percentage.

---Goaltender Ryan Miller is headed to the Vancouver Canucks after signing a three-year, $6 million contract on Tuesday.

Miller spent the bulk of his career with the Buffalo Sabres, winning 284 games with a 2.60 goals-against average and a .916 save percentage, before he was traded at the deadline last season to the St. Louis Blues.

With the Blues, he posted a 10-8-1 record with a .903 save percentage and then went 2-4 in the playoffs with a .897 save percentage.

Miller was the goalie on the U.S. team that won the silver medal in the 2010 Winter Olympics. He had a 5-1 record, a 1.35 goals-against average and a .946 save percentage en route to being named the tournament most valuable player.

---The Detroit Red Wings reached an agreement with restricted free agent forward Riley Sheahan on a two-year contract extension Tuesday.

According to Mlive.com, the deal is for two years and $1.9 million. Sheahan previously made $900,000 per year with performance and signing bonuses as part of his entry-level contract.

The 20-year-old Sheahan, a first-round draft pick out of Notre Dame in 2010, scored nine goals and had 24 points in 42 games last season for the Red Wings. He also contributed during Detroit's first-round to the Boston Bruins in the Stanley Cup playoffs.

The Red Wings also re-signed defenseman Kyle Quincey to a two-year deal worth $8.5 million.

The 28-year-old gets a slight raise on the two-year $7.55 million contract he previously signed with the club, which makes him the third highest paid defenseman on the team.