2016: Played in and started 14 games for the Flash. Scroed five goals and had two assists. 2015: NWSL Rookie of the Year finalist. Played in 20 games for the Flash and contributed 4 goals, 4 assists. Drafted 4th overall by the WNY Flash in the 2015 NWSL Draft.
Currently a member of the US Women's National Team. 2017: Mewis was called up to train with the US Women's National Team for their January training camp in Carson, California. 2016: Scored the game-winning goal to beat Germany in the SheBelieves Cup on March 9th, 2016. Scored three more goals that year. 2015: Played for the US in the 2015 FIFA Women's World Cup. . 2013-15: Member of USA U-23 Team. Scored 1 goal in 3 appearances. 2010-12: Member of the USA U-20 team. Scored 8 goals in 33 appearances. Won the 2012 FIFA U-20 Women’s World Cup. 2008: Scored 8 goals in 13 appearances for the USA U-17 team.
Played at UCLA for four seasons. 2014: Led the Pac-12 with 16 goals, 13 assists and 7 game-winning goals. Recorded a goal or assist in 18 of the Bruins’ 24 games. Winner of the 2015 Honda Award. MAC Hermann Trophy finalist. ESPN W National Player of the Year. Pac-12 Player of the Year. First-Team All-American. 2013: Scored 6 goals, 4 of which were game-winners. Added 9 assists. Helped UCLA win the Pac-12 Championship and eventually the NCAA Championship. 2012: Missed the first six games of the season due to national team commitments, but finished the year with 3 goals and 3 assists in 16 starts. 2011: Second on the team in scoring (to U.S. Women’s National teammate Sydney Leroux) in Freshman year with 6 goals and 7 assists. Named to the Pac-12 All-Freshman Team.