The Oz Report: Luke Jackson overcomes late replacement, “Plugger” Nichols claims Aussie crown, Billy Dib gunning for Tevin Farmer in Sydney, TJ Singh wins Kiwi knockout tournament, Kris George to defend Commonwealth title against British hotshot Josh Kelly, George Kambosos Jr set for USA debut this weekend, Alex Leapai returns in Melbourne, Zac Dunn victorious in Mexico