Park #484 serves several communities and neighborhoods on the Southwest Side and is home to a lively and competitive youth and teen baseball program. For many years, the community has commonly referred to Park #484 as Madigan Park in honor of Michael J. Madigan Sr., a lifelong resident of Chicago, prominent community member and civic leader from the Southwest Side. Madigan Sr. was active in charitable works and volunteerism at St. Adrian Parish Church. He worked as an investigator for the Illinois Liquor Control Commission and as an assistant to Cook County Clerk Michael J. Flynn. He close with late Mayor Richard J. Daley and served as longtime ward superintendent in a number of wards throughout the city including his home 13th Ward. Madigan died in 1966 at the age of 60. He and his wife Mary Rita raised two children, Marita and Michael J. Madigan, Jr.

Located in the West Lawn community, Michael J. Madigan Sr. Park totals 12.97 acres and it features five baseball diamonds. This park is a popular location for baseball enthusiasts.