Bill Nicholson was unrivalled in his ability to spot talent. He signed many of the club's best players, including Dave Mackay, Pat Jennings, and Jimmy Greaves,
The argument
Bill Nicholson's claim to be Tottenham's greatest manager rests above all on the side he built in the early 1960s, widely regarded as the finest in the club's history. His Tottenham of 1960-61 became the first English team of the twentieth century to win the League and FA Cup Double, a feat so difficult that it had not been achieved since the nineteenth century and was thought all but impossible in the modern game. To assemble and lead a team to that historic achievement marked Nicholson's side as something exceptional, and it set a standard against which every subsequent Tottenham team has been measured. The quality of that team was not a single-season flash. Nicholson's side went on to retain the FA Cup in 1962 and, in 1963, became the first British club ever to win a major European trophy, lifting the European Cup Winners' Cup with a commanding final performance. Built around great players such as Danny Blanchflower, Dave Mackay and John White, and playing football of style and ambition, the team combined trophies with a manner of play that won admiration far beyond White Hart Lane. It was both successful and beautiful, the rare combination that defines a truly great side. A manager is judged most of all by the teams he creates, and Nicholson created the best Tottenham has ever had — a Double-winning, European-trophy-winning side remembered as a high point of English club football. No other Tottenham team has matched it. Because Bill Nicholson built the best Tottenham team of all time, this argument holds, he is the club's greatest manager.
Premises
Counter-arguments
Rivals note that 'built the best single team' is one criterion among several for 'best manager,' and even that is contestable. A manager is also judged on longevity, sustained success across eras, achievement relative to resources, and adapting to the modern game. Supporters of other managers argue that Nicholson's peak was concentrated in a few early-1960s seasons, and that judging a manager by one golden side undervalues those who delivered over longer periods or against stronger opposition in the modern era. Even those who ultimately agree Nicholson is the greatest concede the inference is not automatic: 'best team' and 'best manager' are different measures, and the step from one to the other needs the extra premises the argument leaves implicit.
Rejecting the premises
[Rejecting P1] Building the best single team is one achievement among several by which managers are judged — longevity, sustained success, resources and adapting across eras also count — so it does not by itself settle who is best. [Rejecting P2] Nicholson's peak was concentrated in a few early-1960s seasons, so a rival who delivered over a longer period or against stronger modern opposition could mount a competing claim.