Selby then defended his title against Mexican Fernando Montiel in Phoenix , Arizona on his debut on American soil .
Selby became the 12th Welsh world boxing champion by beating Russia 's Evgeny Gradovich to claim the IBF featherweight title in May .
Selby then defended Selby 's title against Mexican Fernando Montiel in Phoenix , Arizona on his debut on American soil .
Selby became the 12th Welsh world boxing champion by beating Russia 's Evgeny Gradovich to claim the IBF featherweight title in May .