2010-11: Samuel Morin skated for the Levis Commandeurs midget AAA team in Quebec. He had 12 assists and 40 penalty minutes in 36 games and in three playoff games had 1 assist with 12 penalty minutes. He represented Quebec in the 2011 Canada Winter Games and in six games had 1 assist and 14 penalty minutes. Morin was selected by Rimouski in the first round (seventh overall) of the 2011 QMJHL Entry Draft.
2011-12: Morin played 62 games for Rimouski and was named to the QJMJHL All-Rookie Team. He had 8 assists and was minus-two with 57 penalty minutes for the Oceanic. After finishing fourth in its division, Rimouski made an improbable run to the QMJHL Finals. Morin was out of the lineup at the beginning of the playoffs due to a late season injury. He played in 10 playoff games and was minus-two with 1 assist and 8 penalty minutes. Morin player for Canada Quebec in the 2012 U17 World Hockey Challenge and had 1 assist with 6 penalty minutes in five games.
2012-13: Morin showed some offensive elements to his game in his second season with Rimouski. He bounced back after missing a month due to an upper-body injury late in the season, re-joining the Oceanic for the QMJHL playoffs and skating for Canada at the 2013 U18 World Junior Championship. He scored 4 goals with 12 assists and was plus-10 in 46 games, and had a team-high 117 penalty minutes. In the six-game playoff series with Gatineau he had 1 goal with 6 assists and was minus-one with 16 penalty minutes. Morin was plus-six with 2 assists and 6 penalty minutes in seven games for Canada’s gold medal-winning U18 team in Sochi, Russia. He was ranked 23rd amongst North American skaters in Central Scouting’s final rankings and was selected by Philadelphia in the first round (11th overall) in the 2013 NHL Draft.
2013-14: Morin signed a three-year entry-level contract with the Flyers in September 2013 before returning to Rimouski for his third season with the Oceanic. Morin played in 54 games, missing time with injury and also receiving three separate suspensions for a total of five games. He scored 7 goals with 24 assists and was +12 with 121 penalty minutes. Rimouski finished second in the East Division and reached the second round in the playoffs. Morin scored 4 goals with 4 assists and was +1 with 30 penalty minutes in 11 playoff games.
2014-15: Morin attended his second training camp with the Flyers before returning to Rimouski for his fourth QMJHL season. Slowed by a broken jaw after taking a puck in the face at the beginning of the year, he was able to get back in time for the 2015 World Junior Championship and skated in 38 regular season games for Rimouski. Morin scored 5 goals with 27 assists and was +26 with 68 penalty minutes for the Oceanic. Rimouski finished first in the East Division and topped second-place Quebec in the QMJHL Finals, with both teams advancing to the Memorial Cup. Morin scored 1 goal with 10 assists and was +10 with 28 penalty minutes in 19 QMJHL playoff games and was -3 with 1 goal and 7 penalty minutes in four games at the Memorial Cup. Skating for gold medal-winning Canada at the WJC, he was +3 with no points and six penalty minutes.
2015-16: Morin skated for the AHL’s Lehigh Valley Phantoms in his first pro season. The only player to skate in all 76 games for the Phantoms, he scored 4 goals with 15 assists and was -5 with a team-leading 118 penalty minutes. Lehigh Valley finished seventh in the Atlantic Division, missing the AHL playoffs.
A towering presence on the blue line, Morin plays plenty of minutes against the opposing team's top offensive units and is called upon to provide a steadying force in the defensive end. Morin doesn't always make the most of his big frame, and he could stand to fill out a bit more. He makes smart plays defensively and good first passes out of the zone. He has a booming slapshot, but his overall offensive game still needs refinement. With a long stride, Morin is a powerful skater, but will need to continue to improve as he adds muscle to his frame.
Morin skated for Philadelphia AHL affiliate Lehigh Valley in 2015-16 in his first pro season. The leader in penalty minutes for the Phantoms, he also showed some puck moving ability. His game at the NHL level is likely to be that of a shutdown defender and his durability in his first pro season was an encouraging sign.