Adriana Leon

Leon accepted an athletic scholarship to attend the University of Notre Dame and played for the Notre Dame Fighting Irish women's soccer team in 2010 and 2011. As a freshman she made 23 appearances and scored four goals. In the 2010 College Cup final she came off the bench to score the lone goal in a 1–0 victory over the Stanford Cardinal and was named to the All-Tournament Team. As a sophomore, she was joint-second for the team lead with six goals in 20 appearances. After two seasons with the Irish, Leon transferred to the University of Florida, where she played for coach Becky Burleigh's Florida Gators in 2012. She made 22 appearances, playing in every available match after missing the first three matches while touring Japan with the Canadian national U-20 team. Leon scored five goals including four game-winners for the Gators and helped the team to Southeastern Conference regular season and tournament titles.

Boston Breakers (2013)

Ahead of the inaugural 2013 NWSL season, Leon was named as one of 16 players subsidized by the Canadian federations as part of the initial NWSL Player Allocation. She was allocated to the Boston Breakers. Having been an unused substitute in the team's opening match, Leon made her professional debut on April 27, 2013, as an 84th-minute substitute for Sydney Leroux as part of a 2–1 win away at Western New York Flash. She scored her first goal in a 5–1 loss against Sky Blue FC on June 1, 2013.

Chicago Red Stars

On June 29, 2013, the Boston Breakers traded Leon to the Chicago Red Stars in exchange for Carmelina Moscato. She made 35 appearances in three seasons with Chicago, scoring one goal in each of the three seasons.

Western New York Flash

In November 2015, Western New York Flash acquired Leon along with Abby Erceg and the No. 9 overall pick in the 2016 NWSL College Draft from Chicago in exchange for Whitney Engen and a fourth-round pick in the 2017 NWSL College Draft. She made 10 appearances during the 2016 season including three starts without scoring before departing in August 2016.

FC Zürich

On August 30, 2016, Leon transferred to FC Zürich of the Swiss Nationalliga A for an undisclosed fee. She made five league appearances without scoring but had some standout performances in other competitions. She registered a goal and three assists in a 5–0 win over FC Luzern in the second round of the Swiss Cup before…

Youth

Leon represented Canada at under-20 level at the 2010 CONCACAF Women's U-20 Championship, starting all three group games and scoring twice in wins over Costa Rica and Guatemala as Canada topped the group. However, a 1–0 semifinal defeat to Mexico in extra-time and a further 1–0 defeat to Costa Rica in the third-place playoff meant Canada failed to qualify for the 2010 FIFA U-20 Women's World Cup. In 2012, Leon was not included in the final squad for the 2012 CONCACAF Women's U-20 Championship. Canada's second-place finish qualified the team for the 2012 FIFA U-20 Women's World Cup and Leon was recalled to the squad for the tournament in Japan. She scored a first-half hattrick as Canada opened the group stage with a 6–0 win over Argentina but defeats against Norway and North Korea eliminated the team at the group stage.

Senior

In January 2013, Leon earned her first call-up to the senior Canada national team for the friendly 2013 Four Nations Tournament. She made her senior international debut against China on January 12, 2013, playing the full 90 minutes and scoring the only goal in a 1–0 victory. She played the full 90 minutes of all three games. She appeared in 16 of the 17 matches Canada played in 2013, scoring three goals. In 2015, Leon was named to her first major international tournament as part of the 2015 FIFA Women's World Cup hosted by Canada. She made her World Cup debut on June 6, 2015, as a 77th-minute substitute against China in the…

Born in Mississauga, Ontario, Leon was raised in Maple and moved with her family to King City in 2010 at the age of 16. Her extended family holds a controlling share of Canadian furniture store Leon's. Leon began figure skating before taking up ice hockey at the age of 10, playing seven seasons of minor hockey up to Midget AA level. In her final season she won both the Provincial Women's Hockey League title and a gold medal at the Ontario Women's Hockey Association provincial championships with a Toronto Jr. Aeros team that also consisted of future Canada ice hockey internationals Jill Saulnier and Erin Ambrose. While at The Country Day School, Leon played soccer, volleyball and rugby, earning the rugby team's MVP honour in 2009. She played youth soccer for Vaughan SC, Brams United and Mississauga Falcons. In 2009, Leon was part of the Team Ontario squad that won bronze at the Canada Summer Games and finished as the tournament's top scorer with seven goals in five matches having scored in every game.