• Drafted by the Calgary Flames in the fourth round, 104th overall at the 2011 NHL Entry Draft.
• NHL All-Star Game (2015, 2016, 2017, 2018)
• Lady Byng Trophy Recipient (2017)
• NHL All-Rookie Team (2014-15)
• Hockey East Player of the Year (2012-13, 2013-14)
• Hobey Baker Award Recipient 2014

Has skated nine seasons with the NHL's Calgary Flames and two seasons with the Columbus Blue Jackets

• NHL All-Star Game (2015, 2016, 2017, 2018)
• Lady Byng Trophy Recipient (2017)
• NHL All-Rookie Team (2014-15)

2023-24 — Columbus Blue Jackets (NHL)

• Appeared in 81 games
• Tallied 12 goals and 48 assists for 60 points

2022-23 — Columbus Blue Jackets (NHL)

• Appeared in 80 games
• Tallied 21 goals and 53 assists for 74 points

2021-22 — Calgary Flames (NHL)

• Appeared in 82 games
• Tallied 40 goals and 75 assists for 115 points

2020-21 — Calgary Flames (NHL)

• Appeared in 56 games
• Tallied 19 goals and 30 assists for 49 points

2019-20 — Calgary Flames (NHL)

• Appeared in 70 games
• Tallied 18 goals and 40 assists for 58 points

2018-19 — Calgary Flames (NHL)

• Tallied a career-high in every offensive category (36-63-99), helping the Flames earn the top seed for the Stanley Cup Playoffs in the Western Conference

2017-18 — Calgary Flames (NHL)

• Tallied 24 goals and 60 assists for 84 points in 80 games
  • Ranked seventh in the NHL with 60 assists

2016-17 — Calgary Flames (NHL)

• Led the Flames with 61 points (18-43) in 72 games
• Skated in four playoff games for Calgary

2015-16 — Calgary Flames (NHL)

• Totaled a career-high and team-high 30 goals and 48 assists for 78 points in 79 games

2014-15 — Calgary Flames (NHL)

• Finished second on Calgary with 64 points (24-40) in his rookie season
• Finalist for the Calder Trophy as the league's top rookie
• Totaled nine points (4-5) in 11 playoff games for the Flames

2013-14 — Calgary Flames (NHL)

• Made his NHL debut with the Calgary Flames
  • Scored in his NHL debut against Vancouver on April 13

Skated one season with the Dubuque Fighting Saints of the United States Hockey League

• USHL Rookie of the Year (2011)
• USHL Second Team (2011)

2010-11

• Ranked fourth in USHL points with 72 (36-36)
• Was one of 44 players selected to the midseason USHL All-Star Team

Played three seasons (2011-14) with Boston College of the Hockey East Association 

• Ranks 10th all-time at BC with 175 points (78-97) in 119 games
• Hobey Baker Award winner (2014)
• USA Hockey College Player of the Year (2014)
• NCAA National Champion (2012)
• NCAA East First All-American Team (2014)
• Hockey East Player of the Year (2013, 2014)
• Hockey East First-Team Honors (2014)
• Hockey East All-Rookie Team (2012)
• Hockey East Tournament MVP (2012)
• Hockey East Regular Season & Playoff Champion (2012)

2013-14 (Junior)

• Helped Boston College win the Hockey East Association regular season title and reach the NCAA Frozen Four
• Led the nation with 80 points, becoming the first collegian to reach that total since 2002-03
• Ranked first in the country in goals (36) and assists (44)
• Tallied a point in 31 straight games, matching the Hockey East record

2012-13 (Sophomore)

• One of three finalists for the Hobey Baker Memorial Award
• Ranked fourth (tied) nationally with 51 points. Tied for eighth in both goals (21) and assists (30)
• Registered a league-high 36 points (12-24) in 27 Hockey East contests

2011-12 (Freshman)

• Ranked second on team with 44 points (21-23)