2009-10: Chase De Leo was one of the top scorers for the LA Selects bantam AAA team that reached the US Tier 1 14-U championship game. He was selected by Portland in the ninth round (192nd overall) of the 2010 WHL Bantam Draft.
2010-11: De Leo skated for the Los Angeles Selects U16 team. In 35 games he scored 20 goals with 19 assists.
2011-12: De Leo made his WHL debut with Portland as a 16-year-old — skating in 69 of 72 regular season games and all 22 playoff contests for the Winterhawks. Playing a lower line role for the WHL’s top scoring team, he scored 14 goals with 16 assists and was plus-12 with 25 penalty minutes in the regular season. De Leo had 1 assist and was minus-1 with 2 penalty minutes in the playoffs as Portland reached the WHL Finals against the Edmonton Oil Kings.
2012-13: De Leo provided valuable secondary scoring for Portland in his second WHL season. He scored 18 goals with 38 assists and was plus-28 with 24 penalty minutes in 71 regular season games. The Winterhawks had the WHL’s best record and captured the playoff title; reaching the Memorial Cup for the first time after three straight WHL Finals appearances. De Leo scored 5 goals with 12 assists and was plus-12 with 15 penalty minutes in 21 WHL playoff games. He scored 2 goals with 1 assist and was plus-2 with 4 penalty minutes in five Memorial Cup games.
2013-14: De Leo participated in USA Hockey’s Select 17 Camp before returning to Portland for his third WHL season. The fourth-leading scorer for the WHL’s second-best team, he scored 39 goals with 42 assists and was plus-49 with 36 penalty minutes. Portland finished first in the U.S. Division and reached the WHL Finals for the fourth straight year; falling to eventual Memorial Cup champion Edmonton. DeLeo scored 10 goals with 9 assists and was plus-17 with 6 penalty minutes in 21 playoff games. He was one of three Winterhawks to skate in the 2013 CCM/USA Hockey All-American Prospects Game and was named to Team Cherry for the 2014 CHL/NHL Top Prospects Game. De Leo was ranked 36th amongst North American skaters in the Central Scouting final rankings and was selected by Winnipeg in the fourth round (99th overall) in the 2014 NHL Draft.
De Leo played goalie in minor hockey before becoming a forward. A premiere junior forward due in part to elite skating ability, he is a confident puck-carrier who is not hesitant to shoot the puck. He has al nose for the net and is not afraid of heavy traffic. While concerns about his size likely caused him to slide a bit in the draft, he has been extremely productive skating for a junior hockey powerhouse team .
De Leo attended the USA Hockey U20 evaluation camp in August and was in training camp with the Jets before returning to Portland for his fourth WHL season in 2014-15. He is a candidate to skate for the USA in the 2015 World Juniors. A pure scorer at the junior level, De Leo relies on his speed and skating ability to avoid vulnerable spots on the ice. He will likely have to add some bulk to compete at the pro level but his understanding of the game and scoring instincts compare favorably with most prospects coming out of junior hockey.