Postpublished at 22:32 British Summer Time 22 September 2018
Round 4: Anthony Joshua v Alexander Povetkin
How much will that blood from the cut by the left eye restrict the vision of the Russian?
Anthony Joshua knocks out Russia's Alexander Povetkin in seventh round
Joshua retains WBA, IBF and WBO world heavyweight titles at Wembley
Briton wins 22nd professional fight with his 21st knockout
Povetkin had never been stopped before and only lost one fight
Michael Emons
Round 4: Anthony Joshua v Alexander Povetkin
How much will that blood from the cut by the left eye restrict the vision of the Russian?
Round 4: Anthony Joshua v Alexander Povetkin
Povetkin's face is now a bloody mess.
Matt Wilkinson: The longer this goes on the more AJ is at risk. As his defence gets lower Povetkin can pick him off. Also the weight difference should help the lighter man as it goes further!! #bbcboxing, external
Round 4: Anthony Joshua v Alexander Povetkin
Swinging left hook from Joshua at the start of the fourth. Povetkin is then cut. Over the left eye.
Mike Costello
BBC Sport boxing correspondent at Wembley Stadium
Povetkin enjoyed more success at the start of the round but an encouraging finish by AJ, suggesting he is starting to read what Povetkin is trying to do.
Round 3: Anthony Joshua v Alexander Povetkin
Joshua was better at the end of the round, but that is a close round. Maybe one for the Russian, who is proving a quick and tough challenge so far. But with Joshua one punch changes everything. Remember he was in trouble against both Dillian Whyte and Wladimir Klitschko and won both of those.
Riley Rees-Tucker: #bbcboxing, external COME ON JOSHUA!
Round 3: Anthony Joshua v Alexander Povetkin
Has AJ been looking past this man with a potential fight against Deontay Wilder or Tyson Fury on the horizon? A much better start from the Russian than many expected.
Round 3: Anthony Joshua v Alexander Povetkin
Another success for Povetkin, this time a fast left.
Round 3: Anthony Joshua v Alexander Povetkin
Another right lands from Povetkin. He has landed big shots in all of the opening three rounds. This was not in the script.
Mike Costello
BBC Sport boxing correspondent at Wembley Stadium
We are already seeing the difference between Povetkin and Joshua's last two opponents, Takam and Parker.
Povetkin has come to win and wants to do it on the front foot.
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Round 2: Anthony Joshua v Alexander Povetkin
Only Wladimir Klitschko has beaten Alexander Povetkin, and he is causing Joshua problems. Joshua wants to utilise the jab and keep the smaller Russian at arms' length. That could well be a round each though after two.
Round 2: Anthony Joshua v Alexander Povetkin
Joshua is caught again after a right hand over the top from Povetkin.
Round 2: Anthony Joshua v Alexander Povetkin
Blood was pouring from the Joshua nose after that short left hook from Povetkin right at the end of the opener. A worrying sign.
Joshua: #bbcboxing, external Povetkin cannot be underestimated. He hasn't got the punch of AJ but rivals his boxing brain.
Mike Costello
BBC Sport boxing correspondent at Wembley Stadium
A confident start by Joshua. Good work with the jab to the body and head but he left a gap for an uppercut to the end of the round.
Povetkin showed that if Joshua leaves an opening, he will exploit it.
Did that punch break Joshua's nose?
Round 1: Anthony Joshua v Alexander Povetkin
Late drama as a short left hook from Povetkin catches Joshua and sends him off balance. It rocks him back on to his heels but he does not go down. Despite that, that should be a Joshua round. That punch came with only seconds left so no time to add anything to it.
Round 1: Anthony Joshua v Alexander Povetkin
Povetkin looks extremely tentative. Remember no-one has beaten Joshua. Only Joseph Parker has gone the distance with him.