In 49 games with the Leksand Idrottsförening in the Swedish Elitserien this season, de la Rose recorded 7 goals and 6 helpers for a total of 13 points. He was also assessed 18 penalty minutes and had a +5 plus/minus differential.

The 6’3’’ and 187 lbs forward was also a member of the Swedish team at the 2014 World Junior Hockey Championship that was played in Malmö, Sweden, helping the host team earn a silver medal after falling 3-2 in sudden death overtime against Finland. In this tournament, de la Rose scored 3 goals and added 3 assists in 6 games, served 6 penalty minutes and had a +3 differential.

A native of Arvika, Sweden, de la Rose was selected in the second round, 34th overall by the Canadiens at the 2013 NHL Entry Draft.