2025 (Tacoma Defiance / Seattle): After scoring 10 goals in 12 appearances (all starts) for Tacoma Defiance, De Rosario was signed to the First Team on May 8. He went on to make 21 all-competition appearances (four starts) in for Sounders FC while scoring five goals, including four strikes in Seattle’s Leagues Cup 2025 title-winning run. He earned MLS NEXT Pro’s first-ever Pathway Player of the Year award, honoring the player that best represents the professional player development pathway.
2024 (Tacoma Defiance): Appeared in 23 matches (13 starts) for Tacoma Defiance in 2024, scoring six goals. He also made one appearance for the First Team in 2024 Lamar Hunt U.S. Open Cup action.
2023 (York United FC): Tallied six goals and two assists in league play in 2023. Made appearances for York United FC in both the Canadian Championship and Canadian Premier League playoffs.
2022 (York United FC): Scored 12 goals and bagged four assists in league play in 2022, also recording a goal in the Canadian Championship against Pacific FC.
2021 (Rukh Lviv): Made two appearances for Rukh Lviv in league play, totaling 76 minutes.
De Rosario has made seven appearances for Guyana since 2023, scoring five goals, including four goals in the country’s 2024-2025 Concacaf Nations League run.
Played for both Toronto FC’s and New York City FC’s academies.
Signed by Sounders FC on May 8, 2025.
