How can I watch Golovkin vs Martirosyan?
BOXNATION will be showing the fight in the UK.

http://videosfocusonline.com/Golovkin-vs-Martirosyan-live

http://videosfocusonline.com/Golovkin-vs-Martirosyan-live

The channel costs £12 per month for subscribers.

You can watch Boxnation on Sky (channel 427/490HD), Virgin Media (546), BT TV (415), TalkTalk (415), Freeview (268) and also on their website and app.

In the US, HBO will be covering all the action.

You can stay here on SunSport though for analysis and reaction from ring-side with the fight taking place in the early hours of Sunday, May 6.

What time is the fight starting?
IF you're staying up to follow this one, get the coffee ready.

The undercard will begin around midnight UK time and the main bout is expected around 3/4am