in november 1902, blackwood joined queens park rangers. he made 15 southern league first division appearances during the 1902–03 season, scoring nine goals. he also played and scored in the first round of the southern professional charity cup, against luton town, and featured in seven western league matches, scoring two, and three london league games, scoring once. the following season, he scored 18 goals in 24 southern league appearances, with returns of three goals in six appearances in the western league, and two goals in six appearances in the london league.