Named CHL Defenseman of the Year and OHL Most Outstanding Defenseman in 2014-15 after leading all defensemen from Canada’s three major junior leagues in goals, assists and points… Also served as an alternate captain with the Sarnia Sting (OHL) that season… Represented the United States at the 2015 IIHF World Junior Championship, posting three points (2g, 1a) in five games… Led Team USA defensemen in goals and points at the tournament… Also tallied six assists in four games at the 2012 Ivan Hlinka Memorial Tournament, leading the team in assists and ranking tied for first in points.

Recorded 15 points (1g, 14a) in 28 USHL games with the Cedar Rapids RoughRiders… Ranked second among team defensemen in points per game (0.54)… Made his USHL debut at Indiana (10/16), becoming the youngest player to skate in a USHL game (14 years, 357 days)… Posted a three-game assist/point streak from 10/17-10/29 (1g, 3a), including his first career USHL points (1g, 1a) at Youngstown (10/17)… Posted five assists in six games from 12/18-1/15, including a three-game assist streak from 12/18-12/31… Registered a season-high seven penalty minutes, including his first career USHL fighting major, vs. Muskegon (1/21)… Earned five assists in his final four games of the season from 1/25-2/4, including his first two career USHL multi-assist games at Des Moines on 1/25 and 2/4.

Registered 23 points (6g, 17a) in 68 games with the Sarnia Sting of the Ontario Hockey League (OHL)… Ranked tied for third in goals, fourth in points and fifth in assists among OHL rookie defensemen… Established an OHL career high in games played and ranked tied for first in that category among OHL rookies… Made his OHL debut vs. Erie (9/23)… Scored his first career OHL goal at Plymouth (10/15)… Tallied his first career OHL assist vs. Sault Ste. Marie (10/20)… Recorded his first career OHL fighting major vs. Saginaw (11/18)… Posted points in four of five games from 12/28-1/7 (1g, 3a)… Posted points in eight of nine games from 2/20-3/10 (2g, 8a), including his first two career OHL multi-assist games… Recorded an assist and a fighting major at Owen Sound (2/22)… Added one goal in six OHL playoff games… Made his OHL postseason debut in Game 1 vs. Saginaw… Scored his first OHL playoff goal in Game 2 at Saginaw.

Tallied 58 points (9g, 49a) in 62 OHL games with Sarnia… Led all OHL defensemen in assists and ranked second in power-play assists (27) and third in points… Ranked fifth among all OHL skaters in power-play assists and ranked 10th in assists… Ranked second on the team in assists and fifth in points, leading defensemen in both categories… Ranked second among team defensemen in goals and tied for first in overtime goals (1)… Posted a five-game point streak from 10/5-10/14 (2g, 5a), including three assists at Sault Ste. Marie (10/6)… Posted a three-game assist streak from 12/7-12/14 (4a)… Recorded a fighting major vs. Kingston (12/15)… Posted a three-game assist/point streak from 1/1-1/5 (1g, 7a), including four points (1g, 3a) vs. Windsor (1/4)… Recorded three assists and fighting major at London (1/1)… Posted a three-game assist/point streak from 1/11-1/18 (1g, 5a), including four points (1g, 3a) vs. Erie (1/18)… Posted a five-game point streak from 1/25-2/7 (2g, 8a), including a season-high four assists at Kingston (2/3)… Earned three points (1g, 2a) vs. Barrie (2/10)… Led team defensemen with three points (1g, 2a) in four OHL playoff games, opening the postseason with a three-game point streak.

Earned 71 points (15g, 56a) in 51 OHL games with Sarnia… Led OHL defensemen in assists for the second consecutive season… Also paced OHL blueliners in points and power-play assists and ranked tied for fourth among OHL defensemen in goals… Ranked tied for sixth among OHL skaters in assists and tied for third in power-play assists… Ranked first on the team in power-play assists, tied for first in assists, second in points, tied for second in game-winning goals (2) and fourth in goals… Failed to record a point in back-to-back games just twice during the season… Opened the season with a six-game point streak from 9/20-10/5 (3g, 6a), including two goals vs. North Bay (9/29)… Posted a four-game point streak from 10/11-10/19 (3g, 6a), including a season-high four points (1g, 3a) vs. Saginaw (10/17)… Posted a five-game assist/point streak from 10/25-11/7 (2g, 8a), including four straight multi-point games from 10/25-11/2… Posted a 12-game point streak from 11/14-12/13 (2g, 18a), including six multi-point games… Recorded a fighting major vs. Saginaw (11/29)… Posted a six-game assist/point streak from 12/19-1/19 (2g, 8a), including three straight multi-point games from 1/10-1/17… Registered a season-high 11 penalty minutes, including a fighting major, at Barrie (12/19)… Posted a five-game assist/point streak from 2/22-3/4 (2g, 6a), including three points (2g, 1a) vs. Ottawa (2/22)… Recorded a fighting major vs. Sault Ste. Marie (3/7).

Registered 89 points (25g, 64a) in 55 OHL games split between the Sarnia Sting and Sault Ste. Marie Greyhounds, marking the highest point total by an OHL blueliner since Ryan Ellis in 2010-11… Named the Canadian Hockey League (CHL) Defenseman of the Year, awarded to the best defenseman in all of the three Canadian major junior leagues, after leading all CHL defensemen in goals, assists and points… Received the Max Kaminsky Trophy as the OHL’s Most Outstanding Defenseman… Named to the OHL First All-Star Team… Led OHL defensemen in points for the second consecutive season and in assists for the third consecutive season… Ranked tied for eighth among all OHL skaters in assists… Ranked tied for second among OHL defensemen in shorthanded goals (1), third in power-play assists (26), tied for fifth in game-winning goals and sixth in plus/minus (+34)… Established OHL career highs in goals, assists, points and plus/minus… Was assessed an OHL career-high four fighting majors… Went more than one game without a point just once during the regular season… Posted 38 points (10g, 28a) in 29 games with Sarnia and 51 points (15g, 36a) in 26 games with Sault Ste. Marie… Began the season with Sarnia… Named an alternate captain prior to the start of the season… Recorded a fighting major vs. Barrie (10/3)… Posted a six-game point streak from 10/4-10/24 (1g, 7a), including three assists vs. Windsor (10/11)… Earned three assists at North Bay (11/2)… Posted a five-game point streak from 11/15-11/26 (3g, 6a), including three multi-point games… Posted a nine-game point streak from 11/29-1/3 (4g, 10a), including a seven-game assist streak from 11/29-12/12… Traded to Sault Ste. Marie (1/8)… Made his Greyhounds debut at Saginaw (1/9), his final regular-season game without a point… Posted a career-long, 25-game point streak from 1/10-3/22, including 13 multi-point games and a season-high five points (2g, 3a) vs. London (3/1)… Scored a goal and recorded a fighting major vs. Mississauga (1/31)… Named the OHL Defenseman of the Month for February and March… Recorded an assist and a fighting major at Saginaw (2/13)… Scored a goal and recorded a fighting major vs. Kitchener (2/21)… Added 16 assists in 13 OHL playoff games as Sault Ste. Marie fell to Erie in the Western Conference Final… Led OHL defensemen in assists and ranked second in points during the postseason… Ranked tied for fourth in plus/minus (+12) and fifth in assists among all OHL skaters… Posted a four-game assist streak from 4/2-4/12 (11a), including four assists in Game 4 of the Western Conference Quarterfinals at Saginaw.

Recorded 43 points (6g, 37a) in 69 games with the Syracuse Crunch of the American Hockey League (AHL)… Ranked third among AHL rookies in assists… Ranked fourth among AHL defensemen in assists and seventh in points… Ranked tied for seventh in the AHL and second among AHL defensemen in power-play assists (19)… Led the Crunch in power-play assists and ranked second in assists, fourth in games played and tied for fifth in points… Established AHL career highs in games played, goals, assists and points… Was assessed an AHL career-high four fighting majors… Opened the season with points in 13 of his first 18 games, never failing to record a point in consecutive games over that span (10/10-12/4: 3g, 11a)… Tallied his first career AHL point (assist) in his AHL debut at Lehigh Valley (10/10)… Posted a four-game point streak from 10/25-11/6 (3g, 2a), including a three-game goal streak from 10/25-10/30… Scored his first career AHL goal at Rochester (10/25)… Recorded his first career AHL fighting major at Toronto (1/2)… Recorded two assists and a fighting major at Binghamton (1/23)… Posted an AHL career-long, seven-game assist/point streak from 2/20-3/6 (1g, 7a)… Recorded three assists vs. St. John’s (3/20)… Registered an AHL career-high 20 penalty minutes, including two fighting majors, at Lehigh Valley (4/17).

Split the season between the Arizona Coyotes (NHL) and the Tucson Roadrunners (AHL)… Spent most of the season with Arizona, posting 14 points (5g, 9a) in 39 NHL games… Ranked second among NHL rookie defensemen in goals per game (0.13) and power-play goals (2), tied for third in power-play points (8), fifth in power-play assists (6) and tied for fifth in points per game (0.36, min. 10 GP)… Ranked tied for third on the team in power-play points and fifth in power-play assists… Also tallied 16 points (3g, 13a) in 25 AHL games with Tucson… Began the season with Tucson… Posted a four-game assist/point streak from 10/22-11/2 (4a)… Registered three points (1g, 2a) vs. Ontario (11/5)… Recalled to Arizona (11/7)… Earned a point in six of his first eight career NHL games (11/8-11/25: 2g, 4a)… Scored a goal in his NHL debut at COL (11/8)… Posted a four-game point streak from 11/17-11/25 (1g, 3a)… Reassigned to Tucson (12/4)… Recalled to Arizona (12/10)… Reassigned to Tucson (1/7)… Recorded a fighting major at Texas (2/11)… Recorded two assists in his final AHL game of the season at San Diego (2/18)… Recalled to Arizona (2/21)… Earned his first career NHL multi-point game (1g, 1a), including his first career NHL game-winning goal, vs. NJD (3/11).

Split the season between the New York Rangers (NHL) and the Hartford Wolf Pack (AHL)… Tallied eight assists in 32 NHL games… Ranked tied for third among Rangers defensemen in power-play assists (6) and power-play points (6)… Six of his eight assists were primary assists… Also registered 13 points (2g, 11a) in 29 AHL games… Ranked second among Wolf Pack defensemen in points per game (0.45)… Began the season with NY Rangers… Made his Rangers debut vs. COL (10/5)… Recorded his first Rangers point (assist) on the power play vs. PIT (10/17)… Reassigned to Hartford (10/24)… Earned a power-play assist at Lehigh Valley (10/28)… Posted a six-game point streak from 12/8-12/22 (2g, 6a), including a three-game assist streak from 12/18-12/10 (4a)… Recorded two points (1g, 1a), including the overtime winner, at Lehigh Valley (12/20)… Registered a season-high seven penalty minutes, including a fighting major, vs. Bridgeport (12/23)… Recalled to NY Rangers (1/19)… Reassigned to Hartford (1/25)… Recalled to NY Rangers (1/30)… Registered five assists in 11 games from 2/9-3/2, leading Rangers defensemen in assists and points over that span… Recorded his first career NHL fighting major vs. PHI (2/18).

Earned 30 points (4g, 26a) in 61 NHL games with NY Rangers… Led the team in plus/minus (+6) and ranked tied for third in assists… Led Rangers defensemen in points and ranked tied for first in assists… Was assessed an NHL career-high three fighting majors… Tallied two points (1g, 1a), including his first Rangers goal, at LAK (10/28)… Recorded an assist and a fighting major at CBJ (11/10)… Scored two goals in his 100th career NHL game vs. CAR (1/15)… Registered 18 assists from 2/4-4/5, tied for the fourth-most among NHL defensemen over that span… Recorded a power-play assist on the game-tying goal in the third period and scored the game-deciding goal in the shootout vs. BOS (2/6)… Posted a career-long, eight-game assist/point streak from 2/12-2/27 (9a), tied for the fourth-longest in the NHL that season (tied for the longest by a defenseman) and tied for the eighth-longest in Rangers history… Recorded an assist and a fighting major at BUF (2/15)… Earned his 30th point of the season with an assist at NJD (3/1), becoming the sixth Rangers defenseman aged 23 or younger to tally at least 30 points in a season since 1998-99… Recorded an assist and a fighting major at NJD (4/1), becoming the first Rangers skater to register an assist and a fighting major in three games during any season since 2011-12 (Stu Bickel).

Registered 53 points (15g, 38a) in 68 NHL games with NY Rangers… Ranked tied for fourth among NHL defenseman in goals and points and tied for ninth in assists, power-play assists (16) and power-play points (19)… Ranked third on the team in assists, fourth in points and sixth in goals, leading defensemen in all three categories… Ranked second on the team in power-play assists and third in power-play points… Became the first Rangers blueliner to record 50 points in a season since 2001-02 and the first to score at least 15 goals in a season since 2000-01 (both Brian Leetch)… Posted three consecutive multi-point games from 10/22-10/27 (3g, 3a), becoming the first Rangers defenseman to accomplish the feat since 1996-97 (Leetch)… Scored two goals in the second period vs. ARI (10/22), tying the Rangers’ single-period record by a defenseman… Posted a five-game assist/point streak from 11/4-11/12 (1g, 5a)… Recorded an assist and a fighting major vs. OTT (11/4)… Registered two points (1g, 1a), including the overtime winner, vs. MIN (11/25)… Scored the overtime, game-winning goal at TOR (12/28), becoming the fourth defenseman in Rangers history to score two overtime goals in a single season… Earned a career-high five points (3g, 2a), including his first career NHL hat trick, vs. NJD (1/9), tying single-game records for goals and points by a defenseman… Became the first Rangers blueliner to score a hat trick since 1981-82 (Reijo Ruotsalainen) and the third to ever post five points in a game (Leetch, twice)… Tallied two assists, including his 100th career NHL point, vs. PHI (3/1)… Recorded three points (1g, 2a), including an assist on the overtime winner, vs. WSH (3/5)… Skated in his 200th career NHL game at COL (3/11)… Added one assist in three NHL playoff games… Made his NHL postseason debut in Game 1 of the Eastern Conference Qualifying Round at CAR (8/1)… Earned his first career playoff point (assist) in Game 2 at CAR (8/3).

Recorded one assist in six NHL games with NY Rangers in his fifth NHL season… Averaged 18:29 of ice time… Tallied a power-play assist vs. PIT (1/30)… Assigned to taxi squad (2/1).

Earned 51 points (10g, 41a) in 64 games, marking the most assists and points in a single season by any defenseman in team history (since relocation)… Ranked second on the team in plus/minus (+30) and power-play assists (18), third in assists, fourth in power-play points (20) and ice time per game (19:49), establishing new single-season career highs in each of those categories… Also ranked tied for fourth in points and fifth in blocked shots (59)… Ranked tied for the team lead in multi-assist games (9) and led all Hurricanes blueliners with 10 multi-point games… Recorded two power-play assists in his Hurricanes debut vs. NYI (10/14)… Scored the game-winning goal vs. BOS (10/28) for his first Hurricanes goal… Tallied a team-high three points (1g, 2a) vs. CHI (10/29)… Posted three points (1g, 2a) and a fighting major vs. CHI (10/29) for the first Gordie Howe hat trick of his NHL career and the first by any Hurricanes player since 2011-12… Posted a four-game point streak from 10/28-11/3 (2g, 4a), including a three-game assist streak from 10/29-11/3 (4a)… Registered two assists vs. STL (11/13)… Posted a four-game point streak from 11/20-11/26 (1g, 4a), including two assists at PHI (11/26)… Missed seven games while in COVID protocol (11/30-12/12)… Scored a goal vs. DET (12/16), requiring the fewest games of any defenseman in franchise history to reach 20 points (5g, 15a) with the Whalers/Hurricanes (21)… Tallied his 100th career assist vs. FLA (1/8)… Posted a season-long, five-game assist/point streak from 1/15-1/25 (1g, 8a)… Recorded three assists at BOS (1/18) and three points (1g, 2a) vs. NYR (1/21), becoming the first defenseman in franchise history to post back-to-back three point games… Tallied two points (1g, 1a) at TOR (2/7)… Earned a fighting major at BOS (2/10)… Missed 11 games due to an upper-body injury (2/25-3/18)… Logged a season-high 24:01 of ice time at BUF (4/5)… Registered an assist and tied his career high with seven shots on goal vs. WPG (4/21)… Recorded two assists at NJD (4/23)… Added 10 points (1g, 9a) in 14 playoff games, ranking third on the team in scoring and leading the team in assists and power-play points (6) during the postseason… Earned eight points (1g, 7a) in the Eastern Conference First Round vs. BOS, tied for the team lead… Tallied an assist in his Hurricanes playoff debut in Game 1 vs. BOS (5/2)… Posted his first career postseason multi-point game (3a) in Game 2 vs. BOS (5/4), becoming just the fourth Whalers/Hurricanes defenseman to register three or more assists in a playoff contest… Earned three points (1g, 2a), including his first career playoff goal, in Game 5 vs. BOS (5/10)… Became the fourth skater and first defenseman in franchise history to register multiple three-point games in a single postseason series.

Recorded 42 points (11g, 31a) in 70 games with Philadelphia, reaching the 30-assist and 40-point marks for the third time in his NHL career… Led the Flyers in power-play assists (15) and power-play points (19) while adding a career-high four goals on the man-advantage… Also ranked second on the team in assists and ice time per game (22:04) and third in penalty minutes (73)… Set new career highs in ice time and games played… Opened the season with a four-game point streak (10/13-10/19: 1g, 4a), with two assists in his Flyers debut vs. NJD (10/13) and a power-play goal vs. VAN (10/15)… Earned two fighting majors in a nine-game span, dropping the gloves with Mark Kastelic vs. OTT (11/12) and Oliver Wahlstrom at NYI (11/26)… Posted a four-game point streak from 12/1-12/7 (1g, 3a), with a power-play goal vs. COL (12/5)… Posted a four-game assist/point streak from 12/22-12/31 (3g, 5a), with a season-high three points (1g, 2a) and his third career overtime winner at SJS (12/29)… Registered a goal/assist in three consecutive contests over that span (12/22-12/29: 3g, 4a), tied for the longest streak of multi-point games in his NHL career… Recorded two power-play assists vs. WPG (1/22)… Scored a goal in back-to-back games at MIN (1/26) and WPG (1/28)… Tallied two power-play points (1g, 1a) at OTT (3/30).