For those who don't know, Mononucleosis can be caused by Epstein-Barr virus, which is spread through saliva. You can catch it through kissing, sharing a glass or utensils. A person with Mononucleosis can be contagious for two-to-four weeks, so it's likely that Heiskanen won't return to Dallas' lineup until the middle of April.
The Espoo (Finland) native has played in 52 of Dallas' 56 games so far this season. In those 52 games, he's put up 29 points (4 G, 25 A), 20 penalty minutes, and is a plus-one.
Stars Defenseman Miro Heiskanen has been diagnosed with mononucleosis and will be out indefinitely.
He has been placed on Injured Reserve retroactive to March 2.— Dallas Stars (@DallasStars) March 10, 2022
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NOVEMBER 1, 2025
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| G | A | PTS | ||
| Michael Bunting | 1 | 2 | 3 | |
| Kyle Connor | 2 | - | 2 | |
| Casey Mittelstadt | 1 | 1 | 2 | |
| Gabriel Vilardi | 1 | 1 | 2 | |
| Matthew Wood | 1 | 1 | 2 | |
| Charlie McAvoy | - | 2 | 2 | |
| Mark Scheifele | - | 2 | 2 | |
| Viktor Arvidsson | 1 | - | 1 | |
| Macklin Celebrini | 1 | - | 1 | |
| Sidney Crosby | 1 | - | 1 | |
| Joel Farabee | 1 | - | 1 | |
| Jonathan Huberdeau | 1 | - | 1 | |
| Philipp Kurashev | 1 | - | 1 | |
| Brad Lambert | 1 | - | 1 | |
| Blake Lizotte | 1 | - | 1 | |
| Nathan MacKinnon | 1 | - | 1 | |
| Jonathan Marchessault | 1 | - | 1 | |
| Vladislav Namestnikov | 1 | - | 1 | |
| Martin Necas | 1 | - | 1 | |
| Alexander Nikishin | 1 | - | 1 | |
| COMPLETE STATS | ||||
| 2025-2026 NHL STANDINGS | ||||||
| GP | W | L | OL | PTS | ||
| Canadiens | 11 | 8 | 3 | - | 16 | |
| Red Wings | 12 | 8 | 4 | - | 16 | |
| Senators | 12 | 6 | 5 | 1 | 13 | |
| Lightning | 11 | 5 | 4 | 2 | 12 | |
| Bruins | 13 | 6 | 7 | - | 12 | |
| Panthers | 11 | 5 | 5 | 1 | 11 | |
| Sabres | 11 | 4 | 4 | 3 | 11 | |
| Maple Leafs | 11 | 5 | 5 | 1 | 11 | |
| GP | W | L | OL | PTS | ||
| Penguins | 12 | 8 | 2 | 2 | 18 | |
| Devils | 11 | 8 | 3 | - | 16 | |
| Hurricanes | 10 | 7 | 3 | - | 14 | |
| Flyers | 10 | 6 | 3 | 1 | 13 | |
| Blue Jackets | 10 | 6 | 4 | - | 12 | |
| Capitals | 11 | 6 | 5 | - | 12 | |
| Rangers | 12 | 5 | 5 | 2 | 12 | |
| Islanders | 11 | 5 | 5 | 1 | 11 | |
| GP | W | L | OL | PTS | ||
| Avalanche | 12 | 7 | 1 | 4 | 18 | |
| Jets | 11 | 8 | 3 | - | 16 | |
| Mammoth | 11 | 8 | 3 | - | 16 | |
| Stars | 11 | 6 | 3 | 2 | 14 | |
| Blackhawks | 11 | 5 | 4 | 2 | 12 | |
| Predators | 12 | 4 | 6 | 2 | 10 | |
| Wild | 12 | 3 | 6 | 3 | 9 | |
| Blues | 11 | 3 | 6 | 2 | 8 | |
| GP | W | L | OL | PTS | ||
| Golden Knights | 11 | 6 | 2 | 3 | 15 | |
| Kings | 12 | 5 | 3 | 4 | 14 | |
| Ducks | 10 | 6 | 3 | 1 | 13 | |
| Kraken | 10 | 5 | 2 | 3 | 13 | |
| Oilers | 12 | 5 | 4 | 3 | 13 | |
| Canucks | 12 | 6 | 6 | - | 12 | |
| Sharks | 11 | 3 | 6 | 2 | 8 | |
| Flames | 12 | 2 | 8 | 2 | 6 | |
COMPLETE STANDINGS | ||||||