Referee Tony Weeks stopped their fight 50 seconds into the fourth round because Goodall had taken too many unanswered punches.Ījagba, of Stafford, Texas, improved to 19-1 and produced his 14th knockout. Hard-hitting Nigerian heavyweight contender Efe Ajagba stopped Australia’s Joe Goodall in the fourth round of their 10-round main event Saturday night at Tahoe Blue Event Center in Stateline, Nevada.