Profile
- Position
- Defenseman
- Number
- #24
- Born
- January 5, 1994 · Charlestown, Massachusetts, United States
- Age
- 32 years old
- Height
- 5′10″ (178 cm)
- Weight
- 180 lb (82 kg)
- Shoots
- left
- Draft
2012, BOS, round 3, pick 24 (85th overall)- Nationality
- United States
Injury
Injured reserve · Lower Body · expected back around Saturday, October 31 · reported Oct 13
Grzelcyk (lower body) suffered a "flare-up" and could be out for at least "a few days," head coach Lindy Ruff told Rachel Lenzi of The Buffalo News on Tuesday.
Injuries · Source: team reports published by ESPN. The NHL publishes no official injury list in its public feed.
Season stats
- GPGames playedOfficial regular season games he played.
- 1
- GGoalsGoals scored. A shootout goal does not count.
- 0
- AAssistsAssists on his team’s goals.
- 0
- PTSPointsGoals plus assists.
- 0
- +/-Plus-minusGoals for minus goals against while he is on the ice, at even strength or shorthanded.
- -1
- SOGShots on goalShots on target, goals included.
- 0
- PPGPower play goalsGoals scored while his team has an extra player.
- 0
- HITHitsBody checks given.
- 0
- BLKBlocked shotsOpponents’ shots blocked.
- 1
Projected full season
- Pool pts Pool points we project for the full season, already scored and to come, points format: 1 pt per goal and per assist, goalies 2 pts per win, 1 pt per overtime loss and 2 pts per shutout.
- 9.4 37 games, 0.1 goals, 9.2 assists
- Rest of season
- 9.4 36 games left, 0.26 pool pts per game
Our model’s projection, checked on the whole 2025-2026 season: production per game and expected games from his team’s schedule. Our method
📈 Our read on his season
- Projected pool points
- 9 0 so far · 9 to come
- Likely range (80%)
- 5 to 14 Confidence low
- Current pace
- 0 9 below the projection
Current pace carries his production per game over the games we expect him to play. The projection blends this season with the previous ones. The range covers 8 seasons out of 10 given how much his games vary, his health and his role.
* This season: our projection, the vertical line showing its 80% range.
Compared with his last seasons
| SeasonThe season, from fall to spring. | Games playedOfficial regular season games he played. | GoalsGoals scored. A shootout goal does not count. | AssistsAssists on his team’s goals. | PointsGoals plus assists. | Pool pointsPool points for the season under the default scoring. For this season, our projection. | Pool points per gamePool points divided by games played. |
|---|---|---|---|---|---|---|
| 2026-27 (projected) | 37 | 0 | 9 | 9 | 9 | 0.25 |
2025-26   | 69 | 0 | 12 | 12 | 12 | 0.17 |
2024-25   | 82 | 1 | 39 | 40 | 40 | 0.49 |
| 2023-24 | 63 | 2 | 9 | 11 | 11 | 0.17 |
Pool points under the default scoring: 1 point per goal and per assist, 2 per win and per shutout, 1 per overtime loss.
Last 10 games
Regular season career
Swipe the table to see every column.
| SeasonThe season, from fall to spring. | TeamThe team he played for that season, with a link to its page when it is in the NHL. | LeagueThe league of that season: NHL, minor league, junior, college or international tournament. | Games playedGames played in that league that season. | GoalsGoals scored. | AssistsAssists. | PointsGoals plus assists. | Plus/minusGoals for minus goals against while he is on the ice, at even strength or shorthanded. | Penalty minutesMinutes spent in the penalty box. | Power play goalsGoals scored while his team has an extra player. | Shorthanded goalsGoals scored while his team is a player short. | Game winning goalsThe goal that puts his team one ahead of the opponent’s final total. | ShotsShots on target, goals included. | Shooting percentageGoals divided by shots, as a percentage. | Average time on ice per gameTime on the ice per game, in minutes and seconds. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-10 | Belmont Hill | High-MA | 31 | 2 | 18 | 20 | – | 30 | – | – | – | – | – | – |
| 2010-11 | USNTDP | USHL | 36 | 1 | 9 | 10 | +6 | 28 | 0 | 0 | 1 | 43 | 2.3 | – |
| 2010-11 | USNTDP | U-17 | 17 | 1 | 7 | 8 | – | 10 | – | – | – | – | – | – |
| 2011-12 | USNTDP | USHL | 24 | 1 | 10 | 11 | +8 | 6 | 0 | 0 | 0 | 29 | 3.5 | – |
| 2011-12 | USNTDP | U-18 | 36 | 2 | 19 | 21 | – | 16 | – | – | – | – | – | – |
| 2011-12 | USA | WJ18-A | 6 | 1 | 0 | 1 | +5 | 2 | 1 | 0 | 0 | – | – | – |
| 2012-13 | Boston University | H-East | 38 | 3 | 20 | 23 | – | 26 | 0 | 0 | 1 | – | – | – |
| 2013-14 | Boston University | H-East | 19 | 3 | 8 | 11 | – | 16 | 2 | 0 | 1 | – | – | – |
| 2013-14 | USA | WJC-A | 5 | 2 | 4 | 6 | +1 | 2 | 1 | 0 | 1 | 19 | – | – |
| 2014-15 | Boston University | H-East | 41 | 10 | 28 | 38 | – | 36 | 5 | 1 | 3 | – | – | – |
| 2015-16 | Boston Univ. | NCAA | 27 | 10 | 13 | 23 | +17 | 36 | – | – | – | – | – | – |
| 2016-17 | Boston Bruins | NHL | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0.0 | 12:29 |
| 2016-17 | Providence Bruins | AHL | 70 | 6 | 26 | 32 | +13 | 18 | – | – | – | – | – | – |
| 2017-18 | Boston Bruins | NHL | 61 | 3 | 12 | 15 | +21 | 22 | 0 | 0 | 0 | 82 | 3.7 | 16:44 |
| 2017-18 | Providence Bruins | AHL | 14 | 0 | 4 | 4 | +4 | 14 | – | – | – | – | – | – |
| 2018-19 | Boston Bruins | NHL | 66 | 3 | 15 | 18 | +9 | 68 | 1 | 0 | 0 | 90 | 3.3 | 19:08 |
| 2019-20 | Boston Bruins | NHL | 68 | 4 | 17 | 21 | +15 | 34 | 1 | 0 | 1 | 112 | 3.6 | 18:04 |
| 2020-21 | Boston Bruins | NHL | 37 | 5 | 15 | 20 | +11 | 22 | 1 | 0 | 1 | 80 | 6.3 | 19:45 |
| 2021-22 | Boston Bruins | NHL | 73 | 4 | 20 | 24 | +22 | 24 | 0 | 0 | 2 | 118 | 3.4 | 18:44 |
| 2022-23 | Boston Bruins | NHL | 75 | 4 | 22 | 26 | +46 | 28 | 0 | 0 | 2 | 102 | 3.9 | 17:14 |
| 2023-24 | Boston Bruins | NHL | 63 | 2 | 9 | 11 | +13 | 37 | 0 | 0 | 0 | 59 | 3.4 | 17:36 |
| 2024-25 | Pittsburgh Penguins | NHL | 82 | 1 | 39 | 40 | -6 | 16 | 0 | 0 | 0 | 94 | 1.1 | 20:37 |
| 2025-26 | Chicago Blackhawks | NHL | 69 | 0 | 12 | 12 | -9 | 32 | 0 | 0 | 0 | 68 | 0.0 | 16:58 |
| 2026-27 |   Buffalo Sabres | NHL | 1 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 0 | 0.0 | 14:27 |
| NHL totals | NHL | 597 | 26 | 161 | 187 | +121 | 285 | 3 | 0 | 6 | 809 | 3.2 | 18:17 |
Playoff career
Swipe the table to see every column.
| SeasonThe season, from fall to spring. | TeamThe team he played for that season, with a link to its page when it is in the NHL. | LeagueThe league of that season: NHL, minor league, junior, college or international tournament. | Games playedGames played in that league that season. | GoalsGoals scored. | AssistsAssists. | PointsGoals plus assists. | Plus/minusGoals for minus goals against while he is on the ice, at even strength or shorthanded. | Penalty minutesMinutes spent in the penalty box. | Power play goalsGoals scored while his team has an extra player. | Shorthanded goalsGoals scored while his team is a player short. | Game winning goalsThe goal that puts his team one ahead of the opponent’s final total. | ShotsShots on target, goals included. | Shooting percentageGoals divided by shots, as a percentage. | Average time on ice per gameTime on the ice per game, in minutes and seconds. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010-11 | USNTDP | USHL | 2 | 0 | 0 | 0 | +1 | 2 | 0 | 0 | 0 | 3 | 0.0 | – |
| 2016-17 | Providence Bruins | AHL | 17 | 0 | 3 | 3 | -2 | 8 | – | – | – | – | – | – |
| 2017-18 | Boston Bruins | NHL | 11 | 0 | 1 | 1 | -2 | 4 | 0 | 0 | 0 | 8 | 0.0 | 15:56 |
| 2018-19 | Boston Bruins | NHL | 20 | 4 | 4 | 8 | -3 | 6 | 2 | 0 | 0 | 35 | 11.4 | 16:27 |
| 2019-20 | Boston Bruins | NHL | 12 | 0 | 1 | 1 | -5 | 4 | 0 | 0 | 0 | 9 | 0.0 | 19:46 |
| 2020-21 | Boston Bruins | NHL | 11 | 1 | 3 | 4 | -2 | 4 | 1 | 0 | 0 | 16 | 6.3 | 20:08 |
| 2021-22 | Boston Bruins | NHL | 5 | 0 | 0 | 0 | -6 | 6 | 0 | 0 | 0 | 3 | 0.0 | 18:09 |
| 2022-23 | Boston Bruins | NHL | 4 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 6 | 0.0 | 13:00 |
| 2023-24 | Boston Bruins | NHL | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0.0 | 18:10 |
| NHL totals | NHL | 66 | 5 | 9 | 14 | -19 | 26 | 3 | 0 | 0 | 80 | 6.3 | 17:35 |
🏆 NHL awards and honours
No NHL awards yet.
Every league he played in, from the NHL’s public feed, read again each day by our server. A dash marks a stat the league does not publish.
📰 News
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