On March 24, 2012, Fields faced the WBC International titleholder, #8 WBC ranked undefeated Mariusz Wach (26-0, 14 KO) from Poland. The fight was set at the Resorts Hotel & Casino in Atlantic City, New Jersey and got coverage form ESPN's Friday Night Fights. Fields lost by TKO in the 6th round. After that loss Fields retired from boxing.