Longest current tenure in League One

Manager Days
Nigel Clough (Mansfield Town) 2018
Dave Challinor (Stockport County) 1657
Richie Wellens (Leyton Orient) 1530
Johnnie Jackson (AFC Wimbledon) 1462
Grant McCann (Doncaster Rovers) 1101
Graham Alexander (Bradford City) 923
Michael Skubala (Lincoln City) 916
Alex Revell (Stevenage) 760
Gary Bowyer (Burton Albion) 516
Steven Schumacher (Bolton Wanderers) 472
Tom Cleverley (Plymouth Argyle) 338
Brian Barry-Murphy (Cardiff City) 335
Michael Duff (Wycombe Wanderers) 241
Jack Wilshere (Luton Town) 216
Ian Evatt (Blackpool) 208
Leam Richardson (Reading) 201
Luke Williams (Peterborough United) 200
Jon Brady (Port Vale) 131
Gary Caldwell (Wigan Athletic) 90
Matt Taylor (Exeter City) 75
Colin Calderwood (Northampton Town) 69
Lee Clark (Rotherham United) 60
Daniel Stendel (Barnsley) 5