21:305 Live Sport5 Live BoxingKell Brook v Errol Spence & George Groves v Fedor ChudinovBBC Radio 5 Live Duration: 2 hours, 15 minutes Sat 27th May 2017, 21:30 on BBC Radio 5 LiveLive boxing commentary on Kell Brook v Errol Spence for the IBF Welterweight championship. Plus George Groves v Fedor Chudinov for the vacant WBA Super-middleweight title.GenresSportBoxingBrand5 Live SportSeries5 Live Sport: 5 Live Boxing Source: BBC Online