MCU Park (formerly KeySpan Park) is a minor league baseball stadium on the Riegelmann Boardwalk in Coney Island, Brooklyn, New York City. The home team and primary tenant is the New York Mets-affiliated Brooklyn Cyclones of the High-A East. The stadium has also hosted other teams as well. The NYU Violets Baseball team began playing at MCU Park in 2015, and the New York Cosmos soccer team of the NASL played the 2017 NASL season there. Rugby United New York of Major League Rugby began play in 2019 with MCU Park as its home field.