• Chosen by the St. Louis Blues in the second round (45th overall) in the 2018 NHL Draft
• 2020 Hobey Baker Award winner
• 2020 USA Hockey Jim Johannson College Player of the Year
• 2020 ACHA First-Team West All-American, All-NCHC First Team and NCHC Player of the Year
• 2019 ACHA Second Team West All-American and All-NCHC First Team
• 2019 NCHC Offensive Defenseman of the Year
• 2018 Tim Taylor Award recipient, USCHO National Rookie of the Year, NCHC Rookie of the Year
• 2018 ACHA First Team West All-American, All-NCHC First Team
• 2018 NCHC Offensive Defenseman of the Year
• Two-time NCAA national champion (2018, 2019)

2023 IIHF Men’s World Championship

• First-time member of U.S. Men’s National Team

2018 IIHF World Junior Championship (Bronze)

• Registered three points (1G, 2A) in seven games

2015 Ivan Hlinka Memorial Tournament (Fifth)

• Skated in four games

2022-23 – Springfield Thunderbirds (AHL)

• Recorded 20 points (2G, 18A) points in 22 games
• Skated in two playoff games

2021-22 – St. Louis Blues (NHL) and Springfield Thunderbirds (AHL)

• Made NHL debut with St. Louis on November 18, 2021, and recorded an assist
• Skated in 19 regular-season games with St. Louis with six assists
• Played in seven playoff games with the Blues and contributed four assists
• Recorded three goals and 19 assists in 17 games with Springfield

2019-20 – University of Minnesota Duluth (NCHC)

• Named Hobey Baker Memorial Award winner
• USA Hockey Jim Johannson College Player of the Year
• ACHA First-Team West All-American, All-NCHC First Team and NCHC Player of the Year
• Skated in 34 games with six goals and 34 assists for 40 points
• His 34 assists led all defenseman nationally and ranked second among all players
• First defenseman to lead the NCHC in points with 32 (4G, 28A) in 24 conference games

2018-19 – University of Minnesota Duluth (NCHC)

• Collected 29 points (3G, 26A) in 39 games
• Helped Bulldogs to second-consecutive NCAA national championship
• Named ACHA Second Team West All-American and All-NCHC First Team
• NCHC Offensive Defenseman of the Year

2017-18 – University of Minnesota Duluth (NCHC)

• Scored 11 goals and picked up 25 assists for a team-high 36 points in 42 games
• Helped Bulldogs to NCAA national championship; named to all-tournament team
• Tim Taylor Award recipient as national rookie of the year, USCHO National Rookie of the Year, NCHC Rookie of the Year
• ACHA First Team West All-American, All-NCHC First Team

• NCHC Offensive Defenseman of the Year

2016-17 – Cedar Rapids RoughRiders (USHL)

• Recorded 21 points (6G, 15A) in 56 games