• Drafted fourth overall by the Nashville Predators in the 2013 NHL Draft
• Four-time NHL All-Star Selection (2017-20)
• IIHF Men’s World Championship Best Defenseman (2014)
• WHL Rookie of the Year (2013)
• WHL Champion

2015 IIHF Men’s World Championship (Bronze)

• Netted one goal and three assists in 10 games
• Honored as one of Team USA’s top three players of the tournament

2014 IIHF Men’s World Championship (Sixth Place)

• Tallied nine assists and two goals in eight games
• Named to Media All-Star Team
• Earned Directorate Award as tournament’s top defenseman
• Most assists (9) and points (11) by a defenseman
• Honored as one of Team USA’s top three players of the tournament

2013 IIHF World Junior Championship (Gold)

• Alternate captain
• Had seven points (1G, 6A) in seven games
• Most assists by a defenseman

2012 IIHF Under-18 Men’s World Championship (Gold)

• Team captain
• Totaled three goals and five assists in six games
• Honored as one of Team USA’s top three players of the tournament

2011 IIHF Under-18 Men’s World Championship (Gold)

• Had three assists in six games

2021-22 – Chicago Blackhawks (NHL)

• Totaled 46 assists with five goals in 78 games

2020-21 – Columbus Blue Jackets (NHL)

• Alternate captain
• Played in 56 games for five goals and 23 assists

2019-20 – Columbus Blue Jackets (NHL)

• Alternate captain
• Netted six goals with 24 assists in 56 games
• Played 10 playoff games and tallied one goal and three assists
• NHL All-Star Game participant

2018-19 – Columbus Blue Jackets (NHL)

• Totaled 46 points (9G, 37A) in 75 games
• Netted three goals with six assists in 10 games
• NHL All-Star Game participant

2017-18 – Columbus Blue Jackets (NHL)

• Tallied 16 goals and 41 assists in 78 games
• Had one goal and four assists in six playoff games
• NHL All-Star Game participant
• NHL Second Team All-Star

2016-17 – Columbus Blue Jackets (NHL)

• Had 42 points (12G, 30A) in 75 games
• Tallied two assists in five playoff games
• NHL All-Star Game participant

2015-16 – Nashville Predators (NHL) and Columbus Blue Jackets (NHL)

• Netted one goal with 10 assists in 40 games with the Predators
• Totaled 20 points (2G, 18A) in 41 games with the Blue Jackets

2014-15 – Nashville Predators (NHL)

• Tallied eight goas and 19 assists in 82 games
• Had four assists in six playoff games

2013-14 – Nashville Predators (NHL)

• Played in 77 games, with six goals and 19 assists

2012-13 – Portland Winterhawks (WHL)

• Netted 14 goals and 42 assists in 61 games
• Tallied five goals and 10 assists in 21 playoff games
• Rookie of the Year
• Most assists by a rookie (42)
• West First Team All-Star
• WHL Champion

2011-12 – USA Hockey’s Under-18 National Team Development Program

• Team captain
• Tallied 23 assists and eight goals in 52 games

2010-11 – USA Hockey’s Under-17 and Under-18 National Team Development Program

• U17 team captain
• Had 17 assists and four goals in 37 games with the Under-17 team
• Totaled 10 assists in 20 games with the Under-18 team

Played youth hockey with the Dallas Stars Elite

USA Hockey Select 15 Player Development Camp participant