The Saskatoon, Sask., native played in 64 games last season, recording 11 points (5g, 6a). He recorded 112:40 minutes on the penalty kill, ranking third among Capitals forwards.
In the 2017-18 season, the 6'0", 203-pound forward registered 18 points (6g, 12a) in 67 games. During the Capitals' 2018 Stanley Cup run, Stephenson recorded seven points (2g, 5a) in 24 games. In the series-clinching Game 6 win against the Columbus Blue Jackets in the Eastern Conference quarterfinal, Stephenson recorded a shorthanded goal, marking the first playoff shorthanded goal scored by a rookie in franchise history. Additionally, Stephenson, who also recorded an assist in Game 6 and recorded two assists in the previous Game 5, became the first rookie in franchise history to record two straight multi-point games in the playoffs.
In 144 career games, all with the Capitals, Stephenson has recorded 29 points (11g, 18a). Stephenson was selected by the Capitals in the third round, 77th overall, in the 2012 NHL Draft.