David Perron, F:Perron signed a two-year contract with the Detroit Red Wings July 13. He had 57 points (27 goals, 30 assists) in 67 regular-season games last season, and 13 points (nine goals, four assists) in 12 playoff games. ... Ville Husso, G:He was traded to the Red Wings for a third-round pick in the 2022 NHL Draft and signed a three-year contract July 8. Hussi was 25-7-6 with a 2.56 GAA, .919 save percentage and two shutouts in 40 regular-season games (38 starts) and 2-5 with a 3.67 GAA, .890 save percentage and one shutout in seven playoff games (six starts). ... Tyler Bozak, F:An unrestricted free agent, he had 12 points (three goals, nine assists) in 50 regular-season games last season and two goals in 12 playoff games. .... Dakota Joshua, F: Agreed to a two-year contract with the Vancouver Canucks July 13. He had eight points (three goals, five assists) in 30 regular-season games last season. ... Jim Montgomery, assistant coach:Named the Boston Bruins coach July 1, he was with the Blues for the past two seasons. He was coach of the Dallas Stars from 2018-2020 and was 61-43-10.