The 100 best football managers of all time, ever: it
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Ranked! The 100 best football managers of all time
Bill Shankly - Wikiwand
Alex Ferguson was an above average manager. The British media
The 50 Greatest Football Managers of All Time - Sports Illustrated
List of English football championship-winning managers - Wikipedia
The Stats Prove It – Arsenal's Greatest Manager Is, thomas
Top 100 footballers in history named and ranked in wild new list, social media has erupted
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FootyRoom - Who's the best football manager of all time?👀
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The 50 Greatest Football Managers of All Time - Sports Illustrated
Alf Ramsey - Wikipedia
If Sir Alex Ferguson is the greatest football manager of all time
Bill Shankly - Wikipedia