2019 IIHF Men’s World Championship - Bratislava & Kosice, Slovakia (Seventh Place)

• Played in two games

2016 IIHF World Junior Championship - Helsinki, Finland (Bronze Medal)

• ​Served as Team USA captain
• ​Led all tournament defensemen in points (2-7--9)
• Led all skaters in plus-minus with +10
• Named Best Defenseman of the Tournament, as selected by the Directorate
• Named to the Media All-Star Team
• Named one of Team USA's three best players, as chosen by coaches
• Named the U.S. Player of the Game in Team USA's 1-0 preliminary-round loss to Sweden

2015 IIHF World Junior Championship – Montreal & Toronto Canada (Bronze Medal)

• Tallied one goal and an assist in five games

2014 Under-17 Five Nations Tournament - Sundsvall, Sweden (First Place

• Tallied five points (2-3) in four games

2014 World Under-17 Hockey Challenge - Sydney, Nova Scotia (First Place)

• Tallied one assist in six games

2023-24 — Columbus Blue Jackets (NHL)

• Appeared in 70 games
• Tallied 11 goals and 46 assists for 57 points

2022-23 — Columbus Blue Jackets (NHL)

• Appeared in 13 games
• Tallied three goals and five assists for eight points

2021-22 — Columbus Blue Jackets (NHL)

• Appeared in 68 games
• Tallied 11 goals and 37 assists for 48 points

2020-21 — Columbus Blue Jackets (NHL)

• Appeared in 35 games
• Tallied seven goals and 13 assists for 20 points

2019-20 — Columbus Blue Jackets (NHL)

• Appeared in 63 games
• Tallied 20 goals and 21 assists for 41 points

2018-19 — Columbus Blue Jackets (NHL)

• In his third season with the Blue Jackets, skated in all 82 games
• Collected 44 points on 11 goals and 33 assists in the regular season, while scoring a goal and registering five assists in 10 playoff games

2017-18 — Columbus Blue Jackets (NHL)

• Scored a career-high 16 goals for the Blue Jackets while collecting 21 assists for 37 points in 77 games
• Scored a goal and had two assists in six playoff games

2016-17 — Columbus Blue Jackets (NHL)

• Named to the NHL All-Rookie team after tallying 47 points on 11 goals and 36 assists
• Scored one goal in three playoff games

2015-16 — Lake Erie Monsters (AHL)

• Played in seven regular season games with Lake Erie (AHL) where he scored a goal
• Won a Calder Cup with the Monsters, collecting five goals and nine assists in 17 playoff games

• Played two seasons with the University of Michigan Wolverines in the Big Ten Conference

2015-16 (Sophomore)

• Led all defensemen and finished fourth on the team with 36 points on 11 goals and 25 assists
• NCAA First-Team All-American
• Named Big 10 defensive player of the year and to the first all-star team

2014-15 (Freshman)

• Led the Wolverines defense in scoring with 25 points in 35 games
• Nine goals led all defensemen in the Big Ten Conference while his 25 points ranked second
• First Team All-Big Ten and Big-Ten All-Rookie Team selection

• Played one season (2013-14) with USA Hockey’s National Team Development Program in Ann Arbor, Michigan

2013-14

• Member of the U.S. National Under-17 Team that competed in the United States Hockey League and against international teams
  • Tallied 27 points (7-20) in 47 games
  • Finished second among team defensemen in scoring
• Skated four games with the U.S. National Under-18 Team that competed in the USHL and against Division I and Division III opponents and international teams
  • Registered one point (1-0)