Reilly Smith, F:The 32-year-old was acquired in a trade with the Vegas Golden Knights on June 28 for a third-round pick in the 2024 NHL Draft. Smith had 56 points (26 goals, 30 assists) in 78 regular-season games and 14 points (four goals, 10 assists) in 22 Stanley Cup Playoff games to help Vegas win the Stanley Cup. He could slot into the top-six forward group, possibly alongside second-line center Evgeni Malkin. … Ryan Graves, D:The 28-year-old signed a six-year contract July 1, coming off 26 points (eight goals, 18 assists) in 78 regular-season games with the New Jersey Devils last season and one assist in 10 playoff games. Graves (6-foot-5, 220 pounds) should provide a physical, defensive-oriented presence on a pair with Kris Letang or Jeff Petry. … Lars Eller, F:The 34-year-old signed a two-year contract July 1. He had 23 points (10 goals, 13 assists) in 84 games with the Washington Capitals and Colorado Avalanche last season and did not have a point in seven postseason games with Colorado. Eller likely will play third-line center, possibly pushing Jeff Carter to the fourth line. … Noel Acciari, F:The 31-year-old signed a three-year contract July 1 and likely will supply forward depth on the third line after he had 23 points (14 goals, nine assists) in 77 regular-season games for the St. Louis Blues and Toronto Maple Leafs last season and two goals in 11 playoff games. ... Matt Nieto, F: The 30-year-old signed a two-year contract July 1 after having 24 points (12 goals, 12 assists) in 81 games with the San Jose Sharks and Avalanche last season. He did not have a point in seven playoff games. ... Kyle Dubas, president of hockey operations: Hired on June 1, the 37-year-old is also taking on general manager duties on an interim basis. Dubas was previously GM of the Maple Leafs for six seasons (2018-23).