Which Welsh professional footballer and manager succeeded Kevin Blackwell as manager of Sheffield United?
2010–11 Sheffield United F.C. season:  It was Kevin Blackwell's third season in charge of United; however, he left Bramall Lane in mid-August after losing at home to QPR. 2010–11 Sheffield United F.C. season:  Gary Speed was named as his successor but lasted only until December when he left to take over the Wales national side. Gary Speed: Gary Andrew Speed, MBE (8 September 1969 – 27 November 2011) was a Welsh professional footballer and manager.
Gary Andrew Speed