?SUBSCRIBE http://bit.ly/SSBoxingSub Natasha Jonas insists she wants to do herself proud as she prepares to put the IBF world title on the line against Mikaela Mayer on Saturday, live on Sky Sports. ?TWITTER: https://twitter.com/skysportsboxing ?FACEBOOK: http://www.facebook.com/skysportsboxing ?WEBSITE: http://www.skysports.com/boxing MORE FROM SKY SPORTS ON YOUTUBE: ?SKY SPORTS FOOTBALL: http://bit.ly/SSFootballSub ?SKY SPORTS BOXING: http://bit.ly/SSBoxingSub ?SKY SPORTS CRICKET: http://bit.ly/SubscribeSkyCricket ?SOCCER AM: http://bit.ly/SoccerAMSub ?SKY SPORTS F1: http://bit.ly/SubscribeSkyF1 ?SKY SPORTS: http://bit.ly/SkySportsSub ?SKY SPORTS GOLF: https://bit.ly/SubscribeSkySportsGolf