Matti Risto Tapio "Hakki" Hagman - Born September 21, 1955 in Helsinki, Finland - Died October 11, 2016 in Espoo, Finland was a Finnish ice Hockey centre and coach.

- Kanada-malja Trophy Champion 1980, 1983 with HIFK Helsinki / IFK Helsingfors.
- SM-liiga Champion 1980, 1983 with HIFK Helsinki / IFK Helsingfors.

Hagman made his NHL debut with Boston Bruins on March 17, 1977 vs Buffalo Sabres at Boston Garden in a 4-2 Boston win. Hagman had 1 assist.

Hagman scored his 1st NHL goal vs Wayne Thomas of the Toronto Maple Leafs at 8:24 of the 1st period on March 26, 1977 at Maple Leaf Gardens in a 7-5 Boston win.

Hagman played in 237 regular season NHL games, scoring 56 goals (3 GWG), 89 assists with 36 penalty minutes and 20 NHL playoff games, scoring 5 goals (2 GWG), 2 assists with 6 penalty minutes.

NOTE
Hagman was the 1st Finnish-born and Finnish-trained player to play in the National Hockey League / NHL.