Hard Rock continued to operate the property under a management agreement with the new owners. In 2018, MGM Growth Properties bought the property from Milstein Entertainment for $1.02 billion. The racino, renamed as Hard Rock Rocksino Northfield Park, opened on Decemwith 2,300 video lottery terminals, under the management of Hard Rock International. Northfield Park's owner, Brock Milstein, contributed over $500,000 to the campaign to legalize slot machines. In July 2009, slot machines were approved, and were installed at Northfield Park pending the approval of Governor John Kasich. In early 2009, the Ohio Legislature initiated legislation that would allow each of the state's seven tracks, including Northfield, to install 2,000 slot machines under guidelines developed by the Ohio State Racing Commission. in 2007, the race was won by World Champion Maltese Artist, driven by Brett Miller in a world record time of 1:49.4 for the mile. The tracks' top race, The Battle of Lake Erie, has featured some of the greatest pacers in history including Jaguar Spur, Gallo Blue Chip, Falcon Seelster and Riyadh. Carl Milstein purchased the track in 1972. After 20 years as a successful car racing facility, interest began to wane and in 1956, Sportsman Park was demolished to make way for what would eventually become one of the nation's premier harness racing tracks under the leadership of Carl Milstein, a well known real estate developer and businessman. Originally constructed in 1934, Northfield Park racetrack was originally known as Sportsman Park, with a focus on midget car racing. It is owned by Vici Properties and operated by MGM Resorts International. Northfield Park conducts more than 200 harness racing nights each year. MGM Northfield Park (previously Hard Rock Rocksino Northfield Park) is a racino in Northfield, Ohio, U.S.A., a community near Cleveland.

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