The arena home to the Cleveland Monsters, replaced a stadium opened in what year?
Richfield Coliseum:  It opened in 1974 as a replacement for the Cleveland Arena, and had a seating capacity of 20,273 for basketball. Quicken Loans Arena:  The building is the home of the Cleveland Cavaliers of the National Basketball Association (NBA), the Cleveland Monsters of the American Hockey League, and the Cleveland Gladiators of the Arena Football League.
i don't know