Brockton, MA & Phillidephia, PA both have statues of the famous Rocky boxers likeness. 

One is of the real heavyweight champion Rocky Marciano & the other is ficticious Rocky Balboa. The losing city’s statue will have to dim the winning teams jersey. 

https://whdh.com/news/brockton-and-philadelphia-mayors-come-up-with-bet-involving-famous-rockys/