Longest current tenure in League One

Manager Days
Nigel Clough (Mansfield Town) 2198
Richie Wellens (Leyton Orient) 1710
Johnnie Jackson (AFC Wimbledon) 1642
Grant McCann (Doncaster Rovers) 1281
Alex Revell (Stevenage) 940
Gary Bowyer (Burton Albion) 696
Neil Harris (Cambridge United) 632
Paul Warne (MK Dons) 577
Tom Cleverley (Plymouth Argyle) 518
Martin Paterson (Notts County) 509
Jack Wilshere (Luton Town) 396
Ian Evatt (Blackpool) 388
Leam Richardson (Reading) 381
Gary Caldwell (Wigan Athletic) 270
Daniel Stendel (Barnsley) 185
Martin Drury (Huddersfield Town) 170
Jimmy McNulty (Stockport County) 161
Russell Martin (Leicester City) 151
Aaron Ramsey (Oxford United) 143
Tom Hounsell (Wycombe Wanderers) 66
Robbie Savage (Peterborough United) 42
Michael Duff (Bradford City) 38
Dave Challinor (Sheffield Wednesday) 12
Karl Robinson (Bromley FC) 8