The 18-year-old defenseman, the third-overall pick in the 2017 NHL Draft, scored in his national team debut on Thursday as Finland opened the tournament with a 3-2 win over Russia. He scored again on Sunday as Finland defeated Canada, 4-3, to finish with a 3-0-0 record and take first place at the Karjala Cup.
Heiskanen's two goals tied for first among defensemen at the tournament and his two points tied for fifth.
He'll now return to his team in Finland's top league where he has ten points (four goals, six assists) in ten games for HIFK this season.
Heiskanen Stats: HIFK (Liiga) | 10 GP | 6 G | 4 A | 10 PTS | +7 | 6 PIM
Forward Valeri Nichushkin played for Russia at the Karjala Cup scoring one goal in three games. His goal came in Russia's 6-2 win over Switzerland on Saturday. Nichushkin, Dallas' first-round pick in 2013, left Saturdays' game after taking a puck off his leg, but he did return to play in Russia's third and final game on Sunday. Nichushkin will return to the KHL this week where he has 16 points in 25 games for CSKA.
Nichushkin Stats: CSKA (KHL) | 25 GP | 10 G | 6 A | 16 PTS | +7 | 10 PIM
Here's a look at how other Dallas prospects playing in Europe, college and juniors fared over the past week.
North American Juniors
LW Jason Robertson (2nd round/2017) continues his nice run with Kingston in the Ontario Hockey League. Robertson picked up three points (one goal, two assists) in two games this past week and now has 14 points (seven goals, seven assists) in his past nine games. Robertson has 23 points (13 goals, 10 assists) in 19 games and is tied for sixth in the OHL in goal scoring.
Robertson Stats: Kingston (OHL) | 19 GP | 13 G | 10 A | 23 PTS | +4 | 16 PIM
C Liam Hawel (4th round/2017) recorded four points (one goal, three assists) in two games over the past week for Guelph in the OHL, giving him ten points (three goals, seven assists) in 17 games. Hawel picked up one goal, one assist, and third-star honors in a 5-1 win over Sudbury on Sunday.
Hawel Stats: Guelph (OHL) | 17 GP | 3 G | 7 A | 10 PTS | E | 4 PIM
RW Nick Caamano (5th round/2016) did not register any points in two games for Flint in the OHL over the past week. Caamano has 17 points (eight goals, nine assists) in 19 games.
Caamano Stats: Flint (OHL) | 19 GP | 8 G | 9 A | 17 PTS | -5 | 32 PIM
D Ondrej Vala (Free agent/2016) tallied one goal and one assist in Kamloops' 4-2 win over Seattle in the Western Hockey League on Saturday. Vala has eleven points (four goals, seven assists) in 19 games.
Vala Stats: Kamloops (WHL) | 19 GP | 4 G | 7 A | 11 PTS | -1 | 22 PIM
C Brett Davis (6th round/2017) picked up one assist in two games for Kootenay in the WHL over the past week. Davis has eleven points (six goals, five assists) in 20 games.
Davis Stats: Kootenay | 20 GP | 6 G | 5 A | 11 PTS | -2 | 9 PIM
G Colton Point (5th round/2016) had another strong week in the NCAA, winning both his starts for Colgate and stopping 58 of 61 shots. Point stopped 30 of 31 shots Friday as the Raiders knocked off No. 5 Harvard and then he turned away 28 of 30 shots in a 3-2 win over Dartmouth. Point is 6-0-4 on the season and leads the nation in both goals against average (1.16) and save percentage (.962).
Point Stats: Colgate (ECAC) | 6-0-4 | 1.16 | .962
C/LW Rhett Gardner (4th round/2016) scored one goal in two games as No. 2 North Dakota went 1-0-1 over the past week. Gardener seven points (three goals, four assists) in 12 games.
Gardner Stats: North Dakota (NCHC) | 2 GP | 0 G | 2 A | 2 PTS | +1 | 0 PIM
G Jake Oettinger (1st round/2017) made one start for Boston University over the weekend, stopping 16 of 21 shots in a 6-1 loss to Northeastern. Oettinger is 4-6-1 with a 2.91 goals against average and .904 save percentage.
Oettinger Stats: Boston University (Hockey East) | 4-6-1 | 2.91 | .904
LW Riley Tufte (1st round/2016) did not record any points in two games for Minnesota Duluth over the weekend. Tufte has eight points (three goals, five assists) in 12 games and leads the Bulldogs in scoring.
D Joe Cecconi (5th round/2015) did not register any points in two games for Michigan. Cecconi has six points (one goal, five assists) in ten games.
Cecconi Stats: Michigan (Big Ten) | 10 GP | 1 G | 5 A | 6 PTS | -5 | 12 PIM
D Michael Prapavessis (4th round/2014) went scoreless in two games for RPI over the weekend. Prapavessis has five assists in ten games.
Prapavessis Stats: RPI (ECAC) | 10 GP | 0 G | 5 A | 5 PTS | -3 | 8 PIM
D Jakob Stenqvist (6th round/2016) tallied two assists in two games for Bjorkloven in Sweden's second league last week. Stenqvist has eleven points (one goal, ten assists) in 17 games and is tied for second in scoring among league defensemen.
Stenqvist Stats: Bjorkloven (Allsvenskan) | 17 GP | 1 G | 10 A | 11 PTS | +3 | 6 PIM
D John Nyberg (6th round/2014) did not play any games over the past week in the Swedish Hockey League, which was on a break. He did play one game with Frolunda in the Champions Hockey League and did not register any points.
Nyberg Stats: Frolunda (SHL) | 16 GP | 1 G | 3 A | 4 PTS | -2 | 24 PIM
C Jacob Peterson (5th round/2017) played one game for Frolunda in the Champions Hockey League last week and did not factor in the scoring.
Peterson Stats: Frolunda (Sweden, Jr.) | 19 GP | 7 G | 10 A | 17 PTS | -7 | 10 PIM
Frolunda (SHL) | 2 GP | 0 G | 0 A | 0 PTS | -1 | 0 PIM
LW/C Fredrik Karlstrom (3rd round/2016) did not play over the past week due to the break in the SHL.
Karlstrom Stats: Linkoping (SHL) | 16 GP | 1 G | 1 A | 2 PTS | -1 | 4 PIM
Linkoping (Sweden, Jr.) | 3 GP | 2 G | 0 A | 2 PT | -3 | 4 PIM
G Markus Ruusu (6th round/2015) and D Miro Karjalainen (5th round/2014) did not play over the past week due to Finland's top league being on a break.
Ruusu Stats: Ilves (Liiga) | 5-6-0 | 3.75 | .851
Karjalainen Stats: HPK (Liiga) | 13 GP | 0 G |3 A | 3 PTS | -1 | 54 PIM
This story was not subject to approval of the National Hockey League or Dallas Stars Hockey Club. Mark Stepneski is an independent writer whose posts on DallasStars.com reflect his own opinions and do not represent official statements from the Dallas Stars. You can follow Mark on Twitter @StarsInsideEdge.