Upset city! Arnold Barboza Jr. (32-0, 11 KOs) won the vacant WBO interim junior welterweight title with a 12-round split decision over local countryman Jack Catterall (30-2, 13 KOs) Saturday night at Co-op Live Arena in Manchester, England. The judges scored it 115-113 twice for Barboza, while one judge had it the other way for Catterall.