Andrew Copp, F:The 28-year-old signed a five-year contract on July 13 after setting NHL career highs in goals (21), assists (32) and points (53) in 72 games for the Winnipeg Jets and New York Rangers last season. Copp fills a hole at second-line center behind Dylan Larkin, his former University of Michigan teammate, and can play on both the power play and penalty kill. … Ben Chiarot, D:The 31-year-old signed a four-year contract on July 13 after setting NHL career highs in assists (17) and points (26) and tying his career high in goals (nine) in 74 games for the Montreal Canadiens and Florida Panthers last season. Chiarot, who is focused on the defensive side of the puck first, adds size (6-foot-3, 234 pounds) and will likely play the left side on a pair with one of the Red Wings' two younger defensemen: Moritz Seider (21) or Filip Hronek (24). … Ville Husso, G:The 27-year-old signed a three-year contract on July 8 after he was acquired in a trade with the St. Louis Blues for a third-round pick (No. 73) in the 2022 NHL Draft. Husso, who went 25-7-6 with a 2.56 goals-against average, .919 save percentage and two shutouts in 40 games (38 starts) for the Blues last season, is expected split time with Alex Nedeljkovic. … David Perron, F: The 34-year-old signed a two-year contract on July 13 after he had 57 points (27 goals, 30 assists) in 67 games for the Blues last season. Perron, who won the Stanley Cup with St. Louis in 2019, fills a hole as a right-shot winger, especially on the power play, when he had 26 points (11 goals, 15 assists) last season. … Dominik Kubalik, F:The 26-year-old signed a two-year contract on July 13 after he had 32 points (15 goals, 17 assists) in 78 games for the Chicago Blackhawks last season. He scored 30 goals for the Blackhawks as a rookie in 2019-20. … Olli Maatta, D: The 27-year-old signed a one-year contract on July 14 after he had eight points (one goal, seven assists) in 66 games for the Los Angeles Kings last season. Like Chiarot, Maatta, a two-time Stanley Cup champion with the Pittsburgh Penguins (2016, 2017), is a defensive defenseman who adds size (6-2, 210) and will likely play the left side on a pair with Seider or Hronek. … Robert Hagg, D:The 27-year-old signed a one-year contract Monday. Hagg had nine points (one goal, eight assists) in 64 games for the Panthers and Buffalo Sabres last season, including one assist in 16 games after he was acquired in a trade with the Sabres on March 20. ... Derek Lalonde, coach:The 49-year-old, who was hired on June 30 to replace Jeff Blashill, was an assistant with the Tampa Bay Lightning the past four seasons, including winning the Cup in 2020 and 2021.