Claressa Shields

All of the middleweight belts go on the line at the O2 Arena in London tonight.

Fight remains competitive, but Baumgardner looks to be edging it as it heads into the fourth. That developed in similar fashion to the first; Shields looked extremely sharp and quick in delivering combinations but Marshall fought back and slowed her down with some industrious counter punches of her own. Both figuring each other out in the early stages before Shields came with an absolute flurry of combinations as Marshall lost her way. Superb from both fighters who are on the front foot and producing some ferocious fighting as they battle all the way. The decision will be intriguing - it looked as though Baumgardner may have edged it.. That looked to be a hugely encouraging round for the home fighter. Solid work from Marshall in the ninth as the final bell looms. Great left hooks landed by both in the fifth. Here comes the second half of what has been an immense fight thus far. The final round beckons. Into the seventh they went and Shields defended well before landing some rasping body shots. Down to the judges here...