Question: Which Welsh professional footballer and manager succeeded Kevin Blackwell as manager of Sheffield United?

Context paragraphs:
Andy Scott (English footballer): Andrew Scott (born 2 August 1972) is the Head of Recruitment at English Championship side Brentford FC , previously an English former professional footballer whose clubs included Sheffield United, Brentford, Oxford United and Leyton Orient.  He was most recently the manager of Aldershot Town until January 2015.  He was manager of Rotherham United before that, until he was sacked in March 2012.  Before that he had a very successful spell as manager of Brentford FC, winning League 2 in his first full season in charge.  During his playing career, Scott was primarily a striker but also played on the left wing at times.  He was forced to retire in 2005 due to heart problems.

Jack Jones (footballer, born 1869): John Leonard "Jack" Jones (1869 – 24 November 1931) was a Welsh professional footballer and amateur cricketer.  He played football for Bootle, Stockton, Grimsby Town, Sheffield United, Tottenham Hotspur, Watford and Worcester City.  Jones also played cricket for Stockton Cricket Club and Sheffield United Cricket Club.  Born in Rhuddlan, he represented Wales on 21 occasions.

Gary Speed: Gary Andrew Speed, MBE (8 September 1969 – 27 November 2011) was a Welsh professional footballer and manager.

Len Allchurch: Leonard Allchurch (12 September 1933 – 16 November 2016) was a Welsh professional footballer.  Allchurch played in the Football League for almost twenty years, playing in the top flight with Sheffield United and having lengthy spells with Swansea City and Stockport County.  A Welsh international, he was born in Swansea and was the brother of the late Ivor Allchurch.  He had the distinction of never receiving a booking or a caution throughout his entire Football League career.

Paddy Atkinson: Patrick Darren Atkinson (born 22 May 1970 in Singapore) is an English former professional footballer.  As a schoolboy he went to several clubs, Newcastle Utd, Sunderland, Notts County, and West Bromwich Albion where he shared digs with Alan Shearer.  Paddy signed apprentice forms with Sheffield Utd in 1986 with Ian Portifield as manager.  After 3 managers in 2 years (Ian Portifield, Billy McEwan, and Dave Bassett) Paddy went on loan to Hartlepool Utd and signed as a professional at 18 with John Bird as manager.  He scored 2 goals on his debut Vs Lincoln City at the Victoria Ground in 1986.  After 3 seasons making 30+ appearances and playing for a further 2 managers, Bob Moncur and Cyril Kowles, Paddy moved to Gateshead in the Conference.  He scored Gateshead's 1st goal in the Conference league.  Paddy moved to Barrow making 40+ appearances with Ray Wilkie as manager.  Paddy moved to Workington for 2 seasons before a successful trial seen him move to Newcastle Utd.  Paddy played in Newcastle Reserves Team scoring 12 goals in 3 seasons when Kevin Keegan was manager of the club.  It was Kevin who recommended Paddy to the Singapore National Team and to York City in the 1st Division.  Paddy Signed for York City making over 60 appearances in 3 seasons.  Paddy moved on to Scarbrough in the 2nd Division and Mick Wadsworth was manager before moving and playing for Blyth Spartans while recovering from an operation.  He moved north of the border playing for Queen of the South for 4 seasons in the Scottish 1st & 2nd Division.  John Connelly was the manager and Paddy won a Second Division Championship and a Bells Scottish Cup.  At 34 Paddy decided to take up his 1st coaching role and took Queen of the South's Reserve Team.  In his first season, he won the Reserve League and Cup.  Paddy later moved back home to the North East (Newcastle upon Tyne) and took on the Assistant Manager and 1st Team Coach's role at Newcastle Benfield in the Northern League.  With Paul Baker as manager he won the League Cup.  Paddy later took on the managers role with Tom wade and won the League, League Cup and Cleator Cup (4 trophies in 4 seasons).  He then took on the 1st Team Coaches role at Bedlington Terriers before leaving in the summer of 2012 to take up a post at Blyth Spartans where he was assistant to Tommy Cassidy at the Northern Premier League side, before later a being appointed manager, a post he resigned from in 2013.  On 9 January 2015 Paddy was appointed manager of Whitley Bay.

Martin Peters: Martin Stanford Peters MBE (born 8 November 1943) is an English former footballer and manager and a member of the England team which won the 1966 FIFA World Cup as well as playing in the 1970 FIFA World Cup.  Born in Plaistow, Essex, he played club football for West Ham United, Tottenham Hotspur, Norwich City and Sheffield United.  He briefly managed Sheffield United before retiring from professional football in 1981.

2010–11 Sheffield United F.C. season: The 2010-11 season was Sheffield United's third consecutive season in the Football League Championship after coming 8th in the 2009–10 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.  Gary Speed was named as his successor but lasted only until December when he left to take over the Wales national side.  Following a short spell as caretaker by John Carver, Micky Adams was appointed manager for the rest of the season.  It was a turbulent season off the pitch and results declined, with Adams being unable to save the team from relegation to League One for the first time in 23 years.

William Egan (footballer): Thomas William Egan (1872–1946) was a Welsh professional association footballer who played as an inside forward.  Egan played in the Football League for Ardwick, Burnley, Sheffield United and Lincoln City.  He was awarded one cap for the Wales national football team for the match against Scotland on 26 March 1892.

Bramall Lane: Bramall Lane is a football stadium in Sheffield, South Yorkshire, England.  It is the home of Sheffield United.  As the largest stadium in Sheffield during the 19th century it hosted most of the city's most significant matches including the final of the world's first football tournament, first floodlit match and several matches between the Sheffield and London Football Associations that led to the unification of their respective rules.  It was also used by Sheffield Wednesday and Sheffield F.C. for major matches.  It has been the home of Sheffield United since the club's establishment in 1889.  It is the oldest major stadium in the world still to be hosting professional association football matches.

Ernest Blackwell: Ernest Blackwell (19 July 1894 – 16 October 1964) was a footballer who played as a goalkeeper, spending the majority of his career at his hometown club of Sheffield United.  Born in Sheffield he was the cousin of England keeper Sam Hardy and brother of Aberdeen keeper Harry Blackwell.

Supporting paragraphs: 2010–11 Sheffield United F.C. season Gary Speed
Answer: Gary Andrew Speed