Greg Marius Court at Holcombe Rucker Park is a basketball court at the border of Harlem and the Coogan's Bluff section of Washington Heights neighborhoods of Manhattan, at 155th Street and Frederick Douglass Boulevard, just east of the former Polo Grounds site.

[3] Rucker started a basketball tournament in 1950 in order to help less-fortunate kids stay off the streets and aim for college careers.

[1][4] The players in the Rucker Tournament featured slam dunks, crossover dribbles, and bravado that excited the crowd, a playing style then foreign to the National Basketball Association (NBA).

[5] In June 2017, New York City mayor Bill de Blasio dedicated the court to Greg Marius, founder of the Entertainer's Basketball Classic streetball tournament held at the park.

Notable players who have played at Rucker Park include: Other amateur players who made a name for themselves at Rucker but never played in the ABA or NBA included Earl Manigault, Joe Hammond and Pee Wee Kirkland.