The Wilmington Blue Rocks are the High-A affiliate of the Washington Nationals and compete in the South Atlantic League. Based in Wilmington, Delaware, the club plays its home games at Judy Johnson Field at Daniel S. Frawley Stadium, one of the premier minor league ballparks in the Mid-Atlantic. The Blue Rocks have served as an important development stop for future Major League talent since their founding in 1993 and have captured five league championships.
As the Nationals’ High-A affiliate, Wilmington is a key level in player development where many of Washington’s top prospects refine their skills before advancing to Double-A Harrisburg and Triple-A Rochester. Fans can watch tomorrow’s Major League stars in an affordable, family-friendly atmosphere featuring unique promotions, the famous Mr. Celery mascot, and one of the most recognizable brands in Minor League Baseball.
The Frederick Keys fell 4-3 to the Wilmington Blue Rocks (Nationals) in 11 innings Saturday night at Nymeo Field at Harry Grove Stadium. Luis Vazquez recorded two RBI singles, including Frederick’s final run in the 11th inning.
The Washington Nationals defeated the Boston Red Sox 10-2 in July 2026, powered by Andres Chaparro’s two-run homer and first homers of the season by Chaparro and Nasim Nunez, while minor league affiliates push for playoff spots.
Mitchell Boe, serving as interim manager, guided the Wilmington Blue Rocks to a 4-2 victory over division leaders Frederick Keys on June 28, boosting their second-half record to 6-3 in the South Atlantic League Northern Division.
OnDeck Partners, backed by Marc Lasry’s Avenue Sports Fund, has completed the acquisition of the Wilmington Blue Rocks, the High-A affiliate of the Washington Nationals. Approved by the Riverfront Development Corporation, the new ownership aims to enhance fan experiences and community engagement at Daniel S. Frawley Stadium, launching with a Fan Fest on August 4, 2026, featuring a game against the Brooklyn Cyclones.
